JPS63223102A - Production of composite noble metal alloy product - Google Patents
Production of composite noble metal alloy productInfo
- Publication number
- JPS63223102A JPS63223102A JP62057786A JP5778687A JPS63223102A JP S63223102 A JPS63223102 A JP S63223102A JP 62057786 A JP62057786 A JP 62057786A JP 5778687 A JP5778687 A JP 5778687A JP S63223102 A JPS63223102 A JP S63223102A
- Authority
- JP
- Japan
- Prior art keywords
- powder
- alloy
- nickel
- injection molding
- gold
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002131 composite material Substances 0.000 title claims abstract description 25
- 229910000510 noble metal Inorganic materials 0.000 title claims abstract description 21
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 13
- 239000000956 alloy Substances 0.000 title claims abstract description 13
- 238000004519 manufacturing process Methods 0.000 title claims description 23
- 239000000843 powder Substances 0.000 claims abstract description 46
- 238000001746 injection moulding Methods 0.000 claims abstract description 39
- 238000005245 sintering Methods 0.000 claims abstract description 30
- 239000011230 binding agent Substances 0.000 claims abstract description 27
- 238000011282 treatment Methods 0.000 claims abstract description 25
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000010931 gold Substances 0.000 claims abstract description 18
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 18
- 229910001069 Ti alloy Inorganic materials 0.000 claims abstract description 17
- 229910052737 gold Inorganic materials 0.000 claims abstract description 15
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 14
- 238000007747 plating Methods 0.000 claims abstract description 11
- -1 pure Ti Chemical class 0.000 claims abstract description 11
- 238000010438 heat treatment Methods 0.000 claims abstract description 7
- 238000002156 mixing Methods 0.000 claims abstract description 5
- 238000007772 electroless plating Methods 0.000 claims abstract description 3
- 229920005672 polyolefin resin Polymers 0.000 claims abstract description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 70
- 238000000034 method Methods 0.000 claims description 54
- 229910052759 nickel Inorganic materials 0.000 claims description 23
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 18
- 239000010936 titanium Substances 0.000 claims description 15
- 238000002347 injection Methods 0.000 claims description 14
- 239000007924 injection Substances 0.000 claims description 14
- 229910000990 Ni alloy Inorganic materials 0.000 claims description 11
- 238000000576 coating method Methods 0.000 claims description 11
- 238000012805 post-processing Methods 0.000 claims description 11
- 229910000923 precious metal alloy Inorganic materials 0.000 claims description 11
- 229910052709 silver Inorganic materials 0.000 claims description 10
- 239000004332 silver Substances 0.000 claims description 10
- 239000010970 precious metal Substances 0.000 claims description 8
- 239000007769 metal material Substances 0.000 claims description 7
- 238000009713 electroplating Methods 0.000 claims description 5
- 238000002844 melting Methods 0.000 claims description 5
- 230000008018 melting Effects 0.000 claims description 5
- 238000004040 coloring Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 150000002815 nickel Chemical class 0.000 claims description 4
- 230000003647 oxidation Effects 0.000 claims description 4
- 238000007254 oxidation reaction Methods 0.000 claims description 4
- 239000001273 butane Substances 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 238000009792 diffusion process Methods 0.000 claims description 2
- 150000002343 gold Chemical class 0.000 claims description 2
- 229910001092 metal group alloy Inorganic materials 0.000 claims description 2
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 claims description 2
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- 239000002245 particle Substances 0.000 claims 1
- 229920000642 polymer Polymers 0.000 claims 1
- 238000000465 moulding Methods 0.000 abstract description 8
- 229910052782 aluminium Inorganic materials 0.000 abstract description 4
- 229910052751 metal Inorganic materials 0.000 abstract description 4
- 239000002184 metal Substances 0.000 abstract description 4
- 239000000203 mixture Substances 0.000 abstract description 4
- 238000005498 polishing Methods 0.000 abstract description 3
- 238000004381 surface treatment Methods 0.000 abstract description 3
- 150000002739 metals Chemical class 0.000 abstract 2
- 238000007743 anodising Methods 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000005336 cracking Methods 0.000 abstract 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 7
- 239000011248 coating agent Substances 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 239000010953 base metal Substances 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 229910001316 Ag alloy Inorganic materials 0.000 description 1
- 229910001020 Au alloy Inorganic materials 0.000 description 1
- 229910001252 Pd alloy Inorganic materials 0.000 description 1
- 229910001260 Pt alloy Inorganic materials 0.000 description 1
- 229910000629 Rh alloy Inorganic materials 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000010437 gem Substances 0.000 description 1
- 229910001751 gemstone Inorganic materials 0.000 description 1
- 239000003353 gold alloy Substances 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000012768 molten material Substances 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 229910001258 titanium gold Inorganic materials 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Landscapes
- Powder Metallurgy (AREA)
Abstract
Description
【発明の詳細な説明】
「産業上の利用分野」
本発明は貴金属に純チタン、チタン合金、アルミ系合金
等を含ませた指輪、ネックレス、ペンダント等の宝飾品
として使用できる複合貴金属合金製品の製造方法に関す
る。[Detailed Description of the Invention] "Industrial Application Field" The present invention relates to composite precious metal alloy products that can be used as jewelry such as rings, necklaces, and pendants, in which pure titanium, titanium alloys, aluminum alloys, etc. are contained in precious metals. Regarding the manufacturing method.
「従来の技術」
従来、この種の複合貴金属合金製品は貴金属パウダーと
、純チタン、チタン合金、アルミ系合金等の卑金属パウ
ダーとを混合してプレス成形した後、焼結して成形する
ことが試みられているが、貴金属材と卑金属材との結合
強度が低く、割れやすいという欠点があった。このため
、商品化は不可能とされていた。``Prior art'' Conventionally, this type of composite precious metal alloy product was formed by mixing precious metal powder and base metal powder such as pure titanium, titanium alloy, aluminum alloy, etc., press-forming the mixture, and then sintering it. Although attempts have been made to do so, the bonding strength between the noble and base metals is low and they tend to break easily. For this reason, commercialization was considered impossible.
「本発明の目的」
本発明は以上のような従来の欠点に鑑み、貴金属と卑金
属等との結合が強固に結合して割れたりすることがなく
、新しい宝飾品として十分に使用することのできる、製
造が容易で、多量生産することのできる複合貴金属合金
製品の製造方法を得るにある。``Object of the present invention'' In view of the above-mentioned drawbacks of the conventional art, the present invention provides a structure in which the bond between precious metals and base metals is strong and does not break, and can be fully used as new jewelry. The object of the present invention is to obtain a method for manufacturing a composite precious metal alloy product that is easy to manufacture and can be mass-produced.
[本発明の目的を達成するための手段」本発明は純チタ
ン、チタン合金、アルミ系合金、アルミ金、ニッケル合
金、銀等のパ1クダーのいずれかの表面にニッケルを乾
式コート法あるいは無電解メッキ、電解メッキ等の湿式
コート法等でコートしてニッケルパウダーを形成するニ
ッケル処理工程と、このニッケル処理工程によって形成
されたニッケルパウダーに所定量の該ニッケルパウダー
を形成する金属材よりも融点の低い貴金属パウダーおよ
び所定量のバインダーを混合して射出成形パウダーを形
成16射出成形パウダー形成工程と、この射出成形パウ
ダー形成工程で形成された射出成形パウダーを射出成形
によって所定形状の射出成形品に成形覆る射出成形工程
と、この射出成形工程C成形された射出成形品からバイ
ンダーを除去するバインダー除去工程と、このバインダ
ー除去工程を経たものを焼結する焼結工程と、この焼結
工程を経たものを後処哩加工する後処理加工工程とを含
むことを特徴としている。[Means for Achieving the Objects of the Invention] The present invention is a method of applying nickel to the surface of powders such as pure titanium, titanium alloys, aluminum alloys, aluminum gold, nickel alloys, silver, etc., with or without dry coating. A nickel treatment process in which nickel powder is formed by coating with a wet coating method such as electrolytic plating or electrolytic plating, and a melting point of the nickel powder formed by this nickel treatment process is lower than that of the metal material that forms a predetermined amount of the nickel powder. 16 injection molding powder forming step and injection molding powder formed in this injection molding powder forming step into injection molded product of a predetermined shape by injection molding. This injection molding process includes an injection molding process that covers the molding process, a binder removal process that removes the binder from the molded injection molded product, a sintering process that sinters the product that has gone through this binder removal process, and a process that goes through this sintering process. The method is characterized in that it includes a post-processing step of post-processing the object.
「本発明の実施例」
以下、図面に示す実施例により、本発明の詳細な説明す
る。"Embodiments of the present invention" The present invention will be described in detail below with reference to embodiments shown in the drawings.
第1図の実施例において、1はニッケルパウダー2を形
成するニッケル処理工程で、このニッケル処理工程1で
使用される金属パウダーは粒(Yが数ミクロンから数ミ
リの純チタンパウダーあるいはチタン合金パウダーが使
用されている。In the example shown in FIG. 1, 1 is a nickel treatment step for forming nickel powder 2, and the metal powder used in this nickel treatment step 1 is a pure titanium powder or titanium alloy powder with Y ranging from several microns to several millimeters. is used.
また、この純チタンパウダーあるいはチタン合金パウダ
ーの表面にはニッケルの無電解メッキあるいはニッケル
の電解メッキ処理等の湿式コート法によって、コート膜
厚が焼結温度を経ても貴金属と純チタン、チタン合金と
の間に介在して貴金属と純チタン、チタン合金との金属
合金拡散を防止して明確な異秤複合材にできる100オ
ングストロームから数十ミクロンに形成されたニッケル
パウダー2に形成さ、れてる。In addition, the surface of this pure titanium powder or titanium alloy powder is coated with a wet coating method such as electroless nickel plating or nickel electrolytic plating, so that the coating film thickness remains the same as that of the precious metal and pure titanium or titanium alloy even after the sintering temperature. The nickel powder 2 is formed to have a thickness of 100 angstroms to several tens of microns, intervening between the noble metal and pure titanium and titanium alloy to prevent metal alloy diffusion and create a clear composite material.
なお、ニラクルパウダー2は純チタンパウダーあるいは
ブタン合金パ1クダーの表面にPvD法、CVD法、真
空蒸着法、スパッタリング法等の乾式コート法によって
ニッケルをコートしてもよい。The Niracle powder 2 may be obtained by coating the surface of pure titanium powder or butane alloy powder with nickel by a dry coating method such as a PvD method, a CVD method, a vacuum evaporation method, or a sputtering method.
3は前記ニッケルパウダー2に所定量の該ニッケルパウ
ダーを形成する金属材よりも融点の低い貴金属パウダー
としての金パウダー4および所定■のオレフィン系樹脂
や高分子等のバインダー5を混合して射出成形パウダー
6を形成する射出成形パウダー形成二[稈で、この射出
成形パウダー形成工程3で形成される射出成形パウダー
6に含まれるニッケルパウダー2と金パウダー4との混
合割合は、使用目的等によって任意の割合に設定されて
いる。 7は前記射出成形パウダー形成工程3で形成さ
れた射出成形パウダー6を射出成形によって指輪、ネッ
クレス、ペンダント笠の宝飾晶形状の射出成形品8に成
形する射出成形工程で、この射出成形工程7は誘過の射
出成形工程あるいるは真空射出成形装置9を用いて行な
う。3 is injection molding by mixing the nickel powder 2 with a predetermined amount of gold powder 4 as a noble metal powder having a melting point lower than that of the metal material forming the nickel powder, and a predetermined binder 5 such as olefin resin or polymer. The mixing ratio of the nickel powder 2 and the gold powder 4 contained in the injection molding powder 6 formed in the injection molding powder forming step 3 is arbitrary depending on the purpose of use etc. The percentage is set to . 7 is an injection molding step in which the injection molding powder 6 formed in the injection molding powder forming step 3 is molded into a jewel crystal-shaped injection molded product 8 such as a ring, necklace, or pendant hat. This is carried out using an induction injection molding process or a vacuum injection molding apparatus 9.
10は前記射出成形工程7で成形された射出成形品8か
らバインダー5を除去するバインダー除去工程で、この
バインダー除去工程10は約400℃の加熱炉11内に
射出成形品8を所定時間入れて行なう。Reference numeral 10 denotes a binder removal step in which the binder 5 is removed from the injection molded product 8 molded in the injection molding step 7. In this binder removal step 10, the injection molded product 8 is placed in a heating furnace 11 at about 400° C. for a predetermined period of time. Let's do it.
なお、この加熱炉11内での射出成形品8の処I11′
!時間は該射出成形品の大きさや形状等によって、十分
バインダーが除去される時間が設定される。In addition, the treatment I11' of the injection molded product 8 in this heating furnace 11
! The time required to sufficiently remove the binder is determined depending on the size, shape, etc. of the injection molded product.
12は前記バインダー除去工程10を経た脱バインダー
された射出成形品13を焼結(シンター)!J′る焼結
工程で、この焼結工程12は加熱炉11△で焼結温度が
850℃〜1050℃で約30分〜2時間程行なう。12 is the sintering of the injection molded product 13 from which the binder has been removed through the binder removal step 10! In the sintering step J', this sintering step 12 is carried out in a heating furnace 11Δ at a sintering temperature of 850° C. to 1050° C. for about 30 minutes to 2 hours.
この焼結によって金パウダー4とニッケルパウダー2と
がニッケルによって強固に結合して、従来の貴金属素材
と同様な組成に形成することができる。Through this sintering, the gold powder 4 and the nickel powder 2 are firmly bonded by nickel, and can be formed to have the same composition as a conventional noble metal material.
14は前記焼結工程12によって形成された焼結晶15
を後処理加工して複合貴金属合金製品16にするII理
加エエ稈で、この後処理加工工程14は焼結晶15の表
面を金メッキ17する金メッキ処理工程18と、この金
メッキ処理工程18を経たものをドライホーニング、研
摩あるいはエツチングして、純チタンあるいはチタン合
金の表面を出す表出処理工程1つと、この表出処理工程
19後に陽極酸化あるいは加熱酸化等によって発色させ
る発色工程20とから構成されている。14 is a sintered crystal 15 formed by the sintering step 12;
This post-processing process 14 includes a gold plating process 18 in which the surface of the fired crystal 15 is plated with gold 17, and the product that has undergone this gold plating process 18 is post-processed to produce a composite noble metal alloy product 16. It consists of one exposing treatment step in which the surface of pure titanium or titanium alloy is exposed by dry honing, polishing or etching, and a coloring step 20 in which the surface is colored by anodic oxidation or thermal oxidation after this exposing treatment step 19. .
上記製造方法によって形成された純チタンあるいはチタ
ン合金と金との複合貴金属合金製品16は今まで割れや
すくて不可能とされていた6金以上22金までの割れず
らい複合貴金属製品16の製造が可能となった。The composite precious metal alloy product 16 of pure titanium or titanium alloy and gold formed by the above manufacturing method is now able to manufacture a composite precious metal product 16 of 6-karat to 22-karat gold that is hard to break, which was previously thought to be impossible due to breakability. It has become possible.
また、純チタンあるいはチタン合金部分を発色きせるこ
とにより、大変美しく輝き、新しい宝飾品を製造するこ
とができる。In addition, by coloring pure titanium or titanium alloy parts, it is possible to manufacture new jewelry that shines beautifully.
「本発明の異なる実施例」
次に第2図ないし第5図に示す本発明の異なる実施例に
つき説明する。なお、これらの実施例の説明に当って、
前記本発明の実施例と同一構成部分には同一符号を付し
て単複する説明を省略する。"Different Embodiments of the Present Invention" Next, different embodiments of the present invention shown in FIGS. 2 to 5 will be described. In addition, in explaining these examples,
Components that are the same as those in the embodiment of the present invention are designated by the same reference numerals, and redundant explanations will be omitted.
第2図の実施例において、前記本発明の実施例と主に異
なる点は溶融温度が1000℃以上のアルミ系合金パウ
ダーを用いて、ニッケル処理工程1Aを行ないニッケル
パウダー2Aを形成するとともに、焼結工程12Aの焼
結温度を1000℃以下で行なった点で、このような製
造方法を用いてもアルミ系合金と金との複合貴金属合金
製品16を同様に製造することができる。The main difference between the embodiment shown in FIG. 2 and the embodiment of the present invention described above is that an aluminum alloy powder with a melting temperature of 1000°C or higher is used, and a nickel treatment step 1A is performed to form a nickel powder 2A. In that the sintering temperature in the sintering step 12A is 1000° C. or lower, the composite noble metal alloy product 16 of aluminum alloy and gold can be similarly manufactured using such a manufacturing method.
なお、アルミパウダーを用いてニッケルパウダ−2Aを
形成したものを使用する場合は焼結温度は600℃以下
で行なう。Note that when using nickel powder 2A formed using aluminum powder, the sintering temperature is 600° C. or lower.
第3図の実施例において、前配本発明の実施例と主に異
なる点は20〜25%のアルミと、80〜75%ウエー
トの金の溶解材を破砕したアルミ金パウダーを用いてニ
ッケル処理工程1Bを行ない、ニッケルパウダー2Bを
形成するとともに、焼結1程12△の焼結温度を100
0℃以下で行ない、後処理加工工程14△でパフ研摩だ
けの表出処理工程19を行なった点で、このような@I
造方法を用いてもアルミ金と金との複合貴金属合金製品
16を同様に製造することができる。The main difference between the embodiment shown in FIG. 3 and the embodiment of the present invention is that the nickel treatment process is performed using aluminum-gold powder obtained by crushing molten material containing 20 to 25% aluminum and 80 to 75% gold. 1B to form nickel powder 2B, and at the same time, the sintering temperature of 12△ was set to 100
@I
The composite noble metal alloy product 16 of aluminum and gold can be manufactured in the same manner using the manufacturing method.
第4図の実施例において、前記本発明の実施例とニドに
異なる点は、ニッケル合金パウダーを用いてニッケル処
理工程1Cを行ないニッケルパウダー2Cを形成すると
ともに、焼結■稈12Aの焼結温度を1000℃以下で
行なった点と、後処理加工工程148 rパフ研摩の表
出処理工程19を行なった後、カラーニッケルメッキ法
によってニッケル部分だけ発色させる発色工程2OAを
行なった点で、このような製造方法を用いてもニッケル
合金と金との複合貴金属合金製品16を同様に製造する
ことができる。The embodiment shown in FIG. 4 differs from the embodiment of the present invention in that nickel treatment step 1C is performed using nickel alloy powder to form nickel powder 2C, and the sintering temperature of culm 12A is This is because the process was carried out at a temperature of 1000°C or less, and after the post-processing process 148 r, the surface treatment process 19 of puff polishing was carried out, the coloring process 2OA was carried out in which only the nickel part was colored by the color nickel plating method. The composite noble metal alloy product 16 of nickel alloy and gold can be manufactured in the same manner using a similar manufacturing method.
第5図の実施例において、前記本発明の実施例と主に異
なる点は、銀パウダーを用いてニッケル処理工程1Dを
行ない、ニッケルパウダー2Dを形成するとともに、焼
結工程12の焼結温度を850℃〜1050℃で行なっ
た点と、後処理加工工程14Cでバフω1庁の表出処理
工程19を行なった俊、化成処理法によって、根部分だ
けを発色させる発色工程20Bを行なった点で、このよ
うな製造方法を用いても銀と金との複合貴金属合金製品
1Gを同様に製造することができる。In the embodiment shown in FIG. 5, the main difference from the embodiment of the present invention is that a nickel treatment step 1D is performed using silver powder to form a nickel powder 2D, and the sintering temperature in the sintering step 12 is changed. In the point that it was carried out at 850 ° C to 1050 ° C., in the point that Shun carried out the buff ω1 agency surface treatment step 19 in the post-processing process 14C, and in the point that the color development step 20B was performed in which only the root part was colored by the chemical conversion treatment method. Even if such a manufacturing method is used, the composite noble metal alloy product 1G of silver and gold can be manufactured in the same way.
なお、前記本発明の実施例では欝金属パウダーとして、
金パウダーを用いたものについて説明したが、これに限
らず、他の金合金、プラチナ、パラジウム、ロジウム、
銀、プラチノー合金、パラジウム合金、ロジウム合金、
銀合金等の貴金属パウダーを用いても良い。In addition, in the examples of the present invention, as the depressed metal powder,
Although we have explained the method using gold powder, it is not limited to this, but other gold alloys, platinum, palladium, rhodium,
silver, platinum alloy, palladium alloy, rhodium alloy,
Noble metal powder such as silver alloy may also be used.
また、ニッケルパウダーを製造するのに純チタン、チタ
ン合金、アルミ系合金、アルミ金、ニッケル合金、銀等
の金属材を用いたものについて説明したが、本発明はこ
れに限らず、他の卑金属材を用いても同様な作用効果が
得られる。In addition, although the description has been made regarding the use of metal materials such as pure titanium, titanium alloys, aluminum alloys, aluminum gold, nickel alloys, and silver to manufacture nickel powder, the present invention is not limited to this. Similar effects can be obtained by using other materials.
「本発明の効果」
以上の説明から明らかなように、本発明にあっては次に
列挙する効果がある。"Effects of the Present Invention" As is clear from the above description, the present invention has the following effects.
(1)純チタン、チタン合金、アルミ系合金、アルミ金
、ニッケル合金、銀等のパウダーのいずれかの表面にニ
ッケルを乾式コート法あるいは無電解メッキ、電解メッ
キ等の湿式コート法等でコー1− t、てニッケルパウ
ダーを形成するニッケル処理工程と、このニッケル処理
工程によって形成されたニッケルパウダーに所定量の該
ニッケルパウダーを形成する金属材よりも融点の低い貴
金属パウダーおよび所定量のバインダーを混合して射出
成形パウダーを形成づ゛る射出成形パウダー形成工程と
、この射出成形パウダー形成工程で形成された射出成形
バ「クダーを射出成形によって所定形状の射出成形品に
成形する射出成形■稈と、この射出成形工程で成形され
た射出成形品からバインダーを除去するバインダー除去
工程と、このバインダー除去工程を経たものを焼結する
焼結工程と、この焼結工程を経たものを後処理加工する
後処理加工工程とからなっているので、貴金属パウダー
と純チタン、チタン合金、アルミ系合金、アルミ金、ニ
ッケル合金、銀等で形成されたニッケルパウダーと強固
に結合させることができる。したがって、従来のように
割れたりすることがなり、貴金属と同様な代金B木材と
なり、指輪、ネックレス、ペンダント等の宝飾品となる
製品を多量に容易に製造することかぐきる。(1) Apply nickel to the surface of pure titanium, titanium alloy, aluminum alloy, aluminum gold, nickel alloy, silver powder, etc. using a dry coating method or a wet coating method such as electroless plating or electrolytic plating. - t, a nickel treatment step to form nickel powder, and a predetermined amount of noble metal powder having a lower melting point than the metal material forming the nickel powder and a predetermined amount of a binder are mixed into the nickel powder formed by this nickel treatment step; An injection molding powder forming process in which an injection molding powder is formed by injection molding powder, and an injection molding process in which the injection molding powder formed in this injection molding powder forming process is molded into an injection molded product of a predetermined shape by injection molding. , a binder removal process to remove the binder from the injection molded product molded in this injection molding process, a sintering process to sinter the product that has gone through this binder removal process, and a post-processing process to the product that has gone through this sintering process. Since it consists of a post-processing process, it is possible to firmly bond precious metal powder with nickel powder made of pure titanium, titanium alloy, aluminum alloy, aluminum gold, nickel alloy, silver, etc. This makes it possible to easily manufacture large quantities of jewelry products such as rings, necklaces, and pendants.
(2)前記(1)によって、新しい内金属素材の宝飾品
を製造することができるので、宝飾品の多様化をはかる
ことができる。(2) According to the above (1), it is possible to manufacture jewelry using a new inner metal material, so it is possible to diversify jewelry.
(3)前記(1)によって、製造も容易に行なうことが
でき、コス1〜の低減を図ることができる。(3) According to the above (1), manufacturing can be easily performed, and the cost can be reduced by 1 or more.
(4)ニッケルパウダーを構成する木材を後処理加工工
程によって発色させることができるので、美しく輝く宝
飾品を製造することができる。(4) Since the wood constituting the nickel powder can be colored through a post-processing process, beautifully shining jewelry can be manufactured.
第1図は本発明の一実施例を示す工程図、第2図、第3
図、第4図、第5図はそれぞれ本発明の異なる実施例を
示す工程図である。
1.1A〜1r1:ニッケル処理工程、2.2△〜2r
)二ニッケルパウダー、3:1出成形パウダー成形工程
、
4:金パウダー、 5:バインダー、6:O1l出
成形成形パウダー:射出成形工程、8:!lFJ出成形
品、 9:真空射出成形V1.置、10:バインダ
ー除去工程、
11:加熱炉、 12:焼結工程、13:脱バ
インダーされた射出成形品、14:少処理加エエ稈、
15:焼結晶、16:複合内金居合金製品、
17:金メッキ、 18:金メッキ処理工程、
19:表出処理工程、 20:発色工程。
特 許 出 願 人
藤 好 克 聡Figure 1 is a process diagram showing one embodiment of the present invention, Figures 2 and 3 are
4 and 5 are process diagrams showing different embodiments of the present invention, respectively. 1.1A~1r1: Nickel treatment step, 2.2△~2r
) nickel powder, 3:1 extrusion molding powder molding process, 4: gold powder, 5: binder, 6: O1l extrusion molding powder: injection molding process, 8:! IFJ injection molded product, 9: Vacuum injection molding V1. 10: Binder removal step, 11: Heating furnace, 12: Sintering step, 13: Binder removed injection molded product, 14: Slightly processed culm,
15: Baked crystal, 16: Composite inner Kanai alloy product, 17: Gold plating, 18: Gold plating process,
19: Expression treatment step, 20: Color development step. Patent application Yoshikatsu Hitoshi
Claims (1)
ニッケル合金、銀等のパウダーのいずれかの表面にニッ
ケルを乾式コート法あるいは無電解メッキ、電解メッキ
等の湿式コート法等でコートしてニッケルパウダーを形
成するニッケル処理工程と、このニッケル処理工程によ
って形成されたニッケルパウダーに所定量の該ニッケル
パウダーを形成する金属材よりも融点の低い貴金属パウ
ダーおよび所定量のバインダーを混合して射出成形パウ
ダーを形成する射出成形パウダー形成工程と、この射出
成形パウダー形成工程で形成された射出成形パウダーを
射出成形によって所定形状の射出成形品に成形する射出
成形工程と、この射出成形工程で成形された射出成形品
からバインダーを除去するバインダー除去工程と、この
バインダー除去工程を経たものを焼結する焼結工程と、
この焼結工程を経たものを後処理加工する後処理加工工
程とを含むことを特徴とする複合貴金属合金製品の製造
方法。 2)純チタン、ブタン合金、アルミ系合金、アルミ金、
ニッケル合金、銀等のパウダーは数ミクロンから数ミリ
の大きさの粒子に形成されたものであることを特徴とす
る特許請求の範囲第1項記載の複合貴金属合金製品の製
造方法。 3)ニッケルパウダーのニッケルコート膜厚は焼結温度
を経ても貴金属と純チタン、チタン合金、アルミ系合金
、アルミ金、ニッケル合金、銀等との間に介在して貴金
属と純チタン、チタン合金、アルミ系合金、アルミ金、
ニッケル合金、銀等との金属合金拡散を防止して明確な
異種複合材にできる100オングストロームから数十ミ
クロンであることを特徴とする特許請求の範囲第1項ま
たは第2項記載の複合貴金属合金製品の製造方法。 4)バインダーはオレフィン系樹脂や高分子等であるこ
とを特徴とする特許請求の範囲第1項ないし第3項いず
れかに記載の複合貴金属合金製品の製造方法。 5)射出成形工程は通常の射出成形装置あるいは真空射
出成形装置によって行なうことを特徴とする特許請求の
範囲第1項ないし第4項いずれかに記載の複合貴金属合
金製品の製造方法。 6)バインダー除去工程は約400℃に加熱して行なう
ことを特徴とする特許請求の範囲第1項ないし第5項い
ずれかに記載の複合貴金属合金製品の製造方法。 7)焼結工程は貴金属が金パウダーで、ニッケルパウダ
ーが純チタン、チタン合金、あるいは銀の場合には焼結
温度が1050℃以下で行なうことを特徴とする特許請
求の範囲第1項ないし第6項いずれかに記載の複合貴金
属合金製品の製造方法。 8)焼結工程は貴金属が金パウダーで、ニッケルパウダ
ーがアルミ系合金、アルミ金、ニッケル合金の場合には
焼結温度が1000℃以下で行なうことを特徴とする特
許請求の範囲第1項ないし第6項いずれかに記載の複合
貴金属合金製品の製造方法。 9)後処理加工工程は焼結工程を経たものの表面を金メ
ッキ処理する金メッキ処理工程と、この金メッキ処理工
程を経たものをドライホーニング、研摩あるいはエッチ
ングしてニッケルメッキパウダーの素材を表面に出す表
出処理工程と、この表出処理工程後に陽極酸化、あるい
は加熱酸化あるいは化成処理によって発色させる発色工
程とからなることを特徴とする特許請求の範囲第1項な
いし第8項いずれかに記載の複合貴金属合金製品の製造
方法。[Claims] 1) Pure titanium, titanium alloy, aluminum alloy, aluminum gold,
A nickel treatment process in which nickel is coated on the surface of a nickel alloy, silver, etc. powder using a dry coating method or a wet coating method such as electroless plating or electrolytic plating to form nickel powder, and this nickel treatment process An injection molding powder forming step of forming an injection molding powder by mixing the formed nickel powder with a predetermined amount of noble metal powder whose melting point is lower than that of the metal material forming the nickel powder and a predetermined amount of a binder, and the injection molding powder. An injection molding step in which the injection molding powder formed in the forming step is molded into an injection molded product of a predetermined shape by injection molding, a binder removal step in which the binder is removed from the injection molded product molded in this injection molding step, and this binder a sintering process of sintering the material that has undergone the removal process;
A method for manufacturing a composite precious metal alloy product, comprising a post-processing step of post-processing the product that has undergone the sintering step. 2) Pure titanium, butane alloy, aluminum alloy, aluminum gold,
2. The method for manufacturing a composite precious metal alloy product according to claim 1, wherein the powder of nickel alloy, silver, etc. is formed into particles with a size of several microns to several millimeters. 3) The thickness of the nickel coat of nickel powder is such that even after the sintering temperature, there is a difference between the precious metal and pure titanium, titanium alloy, aluminum alloy, aluminum gold, nickel alloy, silver, etc. , aluminum alloy, aluminum gold,
Composite precious metal alloy according to claim 1 or 2, characterized in that it has a thickness of 100 angstroms to several tens of microns, which can be made into a distinct heterogeneous composite material by preventing metal alloy diffusion with nickel alloy, silver, etc. How the product is manufactured. 4) The method for manufacturing a composite precious metal alloy product according to any one of claims 1 to 3, wherein the binder is an olefin resin, a polymer, or the like. 5) The method for manufacturing a composite precious metal alloy product according to any one of claims 1 to 4, wherein the injection molding step is carried out using an ordinary injection molding device or a vacuum injection molding device. 6) The method for manufacturing a composite noble metal alloy product according to any one of claims 1 to 5, wherein the binder removal step is performed by heating to about 400°C. 7) The sintering process is carried out at a sintering temperature of 1050° C. or less when the noble metal is gold powder and the nickel powder is pure titanium, titanium alloy, or silver. A method for manufacturing a composite precious metal alloy product according to any one of Item 6. 8) The sintering process is carried out at a sintering temperature of 1000°C or less when the noble metal is gold powder and the nickel powder is an aluminum alloy, aluminum gold, or nickel alloy. A method for manufacturing a composite precious metal alloy product according to any of paragraph 6. 9) The post-processing process includes a gold plating process in which the surface of the product that has undergone the sintering process is plated with gold, and the material that has undergone this gold plating process is dry honed, polished, or etched to expose the nickel plating powder material to the surface. The composite precious metal according to any one of claims 1 to 8, comprising a treatment step and a coloring step of developing color by anodic oxidation, thermal oxidation, or chemical conversion treatment after the exposing treatment step. Method of manufacturing alloy products.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62057786A JPS63223102A (en) | 1987-03-12 | 1987-03-12 | Production of composite noble metal alloy product |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62057786A JPS63223102A (en) | 1987-03-12 | 1987-03-12 | Production of composite noble metal alloy product |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS63223102A true JPS63223102A (en) | 1988-09-16 |
Family
ID=13065565
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62057786A Pending JPS63223102A (en) | 1987-03-12 | 1987-03-12 | Production of composite noble metal alloy product |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS63223102A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05132702A (en) * | 1991-11-11 | 1993-05-28 | Agency Of Ind Science & Technol | Production of noble-metal ornament |
JPH06279804A (en) * | 1992-12-28 | 1994-10-04 | Pilot Corp:The | Material for sintering, sintered body and mold for molding |
-
1987
- 1987-03-12 JP JP62057786A patent/JPS63223102A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05132702A (en) * | 1991-11-11 | 1993-05-28 | Agency Of Ind Science & Technol | Production of noble-metal ornament |
JPH06279804A (en) * | 1992-12-28 | 1994-10-04 | Pilot Corp:The | Material for sintering, sintered body and mold for molding |
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