JP2932700B2 - Blade material and manufacturing method - Google Patents

Blade material and manufacturing method

Info

Publication number
JP2932700B2
JP2932700B2 JP74091A JP74091A JP2932700B2 JP 2932700 B2 JP2932700 B2 JP 2932700B2 JP 74091 A JP74091 A JP 74091A JP 74091 A JP74091 A JP 74091A JP 2932700 B2 JP2932700 B2 JP 2932700B2
Authority
JP
Japan
Prior art keywords
blade
layer
intermetallic compound
base material
foil
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.)
Expired - Fee Related
Application number
JP74091A
Other languages
Japanese (ja)
Other versions
JPH04250995A (en
Inventor
廣志 山田
菊一 船尾
文男 岩根
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Daido Steel Co Ltd
Original Assignee
Daido Steel Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Daido Steel Co Ltd filed Critical Daido Steel Co Ltd
Priority to JP74091A priority Critical patent/JP2932700B2/en
Publication of JPH04250995A publication Critical patent/JPH04250995A/en
Application granted granted Critical
Publication of JP2932700B2 publication Critical patent/JP2932700B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【産業上の利用分野】本発明は、2枚の刃が摺動的に接
触して剪断を行なう、またはネットと刃とが摺動的に接
触して剪断を行なうタイプの利器または工具に使用する
刃物材と、その製造方法に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is used for a tool or a tool of the type in which two blades slidably contact with each other for shearing, or a net and a blade slidably contact each other for shearing. And a method of manufacturing the same.

【0002】[0002]

【従来の技術】電気カミソリのように、固定ネットとそ
れに接して回転または往復動する刃とでネットがとらえ
たヒゲを剪断するタイプの刃物は、相互の繰り返し摺動
に耐えるよう、耐摩耗性が高くなければならない。 同
様なことは、各種の電動カッタ−にも要求される。 こ
のため、刃物材としては、耐食性の要求にこたえること
も兼ねて、高炭素ステンレス鋼(代表的にはSUS44
0B)などが用いられている。
2. Description of the Related Art A blade, such as an electric razor, that shears a beard captured by a fixed net and a blade that rotates or reciprocates in contact with the fixed net, has abrasion resistance so as to withstand mutual repetitive sliding. Must be high. The same is required for various electric cutters. For this reason, as a blade material, high carbon stainless steel (typically SUS44) is used to meet the demand for corrosion resistance.
0B) is used.

【0003】しかし既存の材料は満足できるものとはい
えず、切れ味を長期にわたって維持する刃物材の出現が
待たれていた。
[0003] However, existing materials are not satisfactory, and the appearance of blade materials that maintain the sharpness over a long period of time has been awaited.

【0004】[0004]

【発明が解決しようとする課題】本発明の目的は、この
ような要望にこたえて、耐食性と耐摩耗性が高く、かつ
それらが長期間持続して切れ味が保たれる刃物材と、そ
の製造方法を提供することにある。
SUMMARY OF THE INVENTION The object of the present invention is to meet such demands and to provide a blade material which has high corrosion resistance and abrasion resistance and which maintains its sharpness for a long period of time. It is to provide a method.

【0005】[0005]

【課題を解決するための手段】本発明の刃物材のひとつ
の態様は、2枚の刃が摺動的に接触して剪断を行なう刃
物材において、図3および図6に示すように、それらの
刃の接触面上に、刃物基材(1)中の金属元素とAlと
の金属間化合物の層(4)を介してAl23の層(5)
を有する刃物材である。
One aspect of the blade material of the present invention is a blade material in which two blades slidably contact with each other to perform shearing, as shown in FIGS. A layer of Al 2 O 3 (5) on a contact surface of the blade through a layer (4) of an intermetallic compound of a metal element and Al in the blade substrate (1)
It is a blade material having.

【0006】本発明の刃物材のいまひとつの態様は、ネ
ットと刃とが摺動的に接触してネットがとらえた被切断
物の剪断を行なう刃物材において、少なくとも刃の接触
面上に、上記と同様に、刃物基材(1)中の金属元素と
Alとの金属間化合物の層(4)を介してAl23の層
(5)を有する刃物材である。
Another aspect of the blade material according to the present invention is a blade material in which a net and a blade are slidably contacted to shear a workpiece caught by the net. Similarly to the above, a blade material having a layer (5) of Al 2 O 3 via a layer (4) of an intermetallic compound of a metal element and Al in the blade substrate (1).

【0007】金属間化合物の層およびAl23の層は、
刃物基材の表面のうち、少なくとも摺動的に接触する面
にあればよいが、他の面にも存在すれば、全体として耐
食性が向上して好ましい。
The layer of the intermetallic compound and the layer of Al 2 O 3
Of the surfaces of the blade base material, at least the surface that slidably contacts the surface is sufficient, but the presence of the other surface is preferable because the corrosion resistance is improved as a whole.

【0008】刃物基材としては、刃物に要求される諸性
質すなわち靭性、剛性などをそなえている任意の合金が
使用できるが、好適なものを挙げれば、前記した高硬度
非磁性ステンレス鋼のほか、Fe−Mn合金およびBe
−Cu合金である。 これらの合金の基材金属の表面
に、Ni層を設けたものであってもよい。 この場合、
金属間化合物としてはNiAlおよびNi3Alの少な
くとも一方、多くの場合は両方が生成する。
[0008] As the blade substrate, any alloy having various properties required for the blade, ie, toughness, rigidity, etc., can be used. , Fe-Mn alloy and Be
-Cu alloy. A Ni layer may be provided on the surface of a base metal of these alloys. in this case,
As the intermetallic compound, at least one of NiAl and Ni 3 Al, and in most cases, both are formed.

【0009】上記のような刃物材を製造する本発明の方
法は、基本的には図1および図2に示すように、刃物基
材(1)の表面(図示した例では両方の面)にAl箔
(2A)を重ね圧延によりクラッドし、得られたクラッ
ド材に対して真空焼鈍および酸化性雰囲気下での加熱を
行なって、刃物基材中の金属とAl層との間に金属間化
合物を形成させるとともに、表面にAl23層(5)を
形成させ、図3にみるような製品を得ることからなる。
[0009] The method of the present invention for producing a blade material as described above basically applies to the surface (both surfaces in the illustrated example) of the blade substrate (1) as shown in FIGS. The aluminum foil (2A) is clad by lap rolling, and the obtained clad material is subjected to vacuum annealing and heating in an oxidizing atmosphere to form an intermetallic compound between the metal in the blade base material and the Al layer. And an Al 2 O 3 layer (5) on the surface to obtain a product as shown in FIG.

【0010】本発明の刃物材の製造方法の別の態様は、
図4および図5に示すように、刃物基材(1)の表面に
Ni箔(3A)およびAl箔(2A)をこの順でクラッ
ドし、得られたクラッド材に対し真空焼鈍および酸化性
雰囲気下での加熱を行なって、Ni層とAl層との間で
NiAlおよび(または)Ni3Alを形成させるとと
もに、表面にAl23層(5)を形成させることからな
る。
[0010] Another aspect of the method for producing a blade material of the present invention is as follows.
As shown in FIGS. 4 and 5, a Ni foil (3A) and an Al foil (2A) are clad on the surface of the blade base material (1) in this order, and the obtained clad material is subjected to vacuum annealing and an oxidizing atmosphere. The lower heating is performed to form NiAl and / or Ni 3 Al between the Ni layer and the Al layer, and to form the Al 2 O 3 layer (5) on the surface.

【0011】真空焼鈍は、400〜650℃×1〜20
0分間、代表的には600℃×2分間行なう。
The vacuum annealing is performed at 400 to 650 ° C. × 1 to 20
This is performed for 0 minutes, typically at 600 ° C. for 2 minutes.

【0012】酸化性雰囲気下での加熱は、大気中、60
0〜1200℃×1〜1000分間、代表的には900
℃×2分間の条件で行なうのが適当である。
Heating in an oxidizing atmosphere is carried out in air at 60
0 to 1200 ° C for 1 to 1000 minutes, typically 900
It is appropriate to carry out under the condition of ° C. × 2 minutes.

【0013】[0013]

【作用】真空焼鈍により、圧延過程で生じた加工硬化が
消滅し、基材とAl箔の間、また基材とNi箔を重ねた
場合はNi箔とAl箔との間で、相互に拡散が進む。続
く酸化性雰囲気下での加熱により、拡散はさらに進行す
る。 その結果、基材中のAlと金属間化合物を形成す
る金属元素、たとえば基材がステンレス鋼の場合はFe
およびNiが、Alと、Fe3Al,NiAl,Ni3
lなどの化合物をつくる。 基材とAl箔との間にNi
箔をはさんだ場合には、金属間化合物としてNiAlお
よびNi3Alが生成することはいうまでもない。
The work hardening generated in the rolling process disappears due to the vacuum annealing, and is diffused between the base material and the Al foil or between the Ni foil and the Al foil when the base material and the Ni foil are stacked. Advances. Diffusion further proceeds by the subsequent heating in an oxidizing atmosphere. As a result, a metal element that forms an intermetallic compound with Al in the base material, such as Fe when the base material is stainless steel
And Ni are Al and Fe 3 Al, NiAl, Ni 3 A
Make compounds such as l. Ni between substrate and Al foil
Needless to say, when the foil is sandwiched, NiAl and Ni 3 Al are generated as intermetallic compounds.

【0014】酸化性雰囲気下での加熱により、表面のA
l層は酸化されてAl23となり、主としてウィスカー
の形で成長する。
By heating in an oxidizing atmosphere, the surface A
The 1 layer is oxidized to Al 2 O 3 and grows mainly in the form of whiskers.

【0015】上記したような金属間化合物は一般に耐食
性にすぐれているので、表面を被覆するAl23層にピ
ンホールやミクロなクラックが生じても、腐食を下の基
材に及ぼすことなく、そこで食い止める。
Since the above-mentioned intermetallic compound generally has excellent corrosion resistance, even if pinholes or microcracks occur in the Al 2 O 3 layer covering the surface, corrosion does not affect the underlying substrate. And stop it there.

【0016】表面のAl23はセラミックの層であっ
て、よく知られているとおり耐摩耗性が高く、刃物の切
れ味の維持に効果的である。
Al 2 O 3 on the surface is a ceramic layer, and as is well known, has high abrasion resistance and is effective in maintaining the sharpness of the blade.

【0017】[0017]

【実施例】[実施例1]高硬度非磁性ステンレス鋼「D
SN6」(大同特殊鋼の鋼種記号、合金組成は、0.0
9C−0.3Si−1.5Mn−12.0Ni−18.
0Cr−Fe)の、厚さ0.4mmのシートを用意した。
その両面に厚さ15μmのAl箔を重ねてクラッド圧
延して、厚さ0.38mmの積層材とした。
[Example 1] High hardness non-magnetic stainless steel "D"
SN6 "(Steel type symbol of Daido special steel, alloy composition is 0.0
9C-0.3Si-1.5Mn-12.0Ni-18.
0Cr-Fe), a sheet having a thickness of 0.4 mm was prepared.
A 15 μm-thick Al foil was overlaid on each side and clad rolled to obtain a laminated material having a thickness of 0.38 mm.

【0018】積層材を冷間圧延して厚さ0.1mmのシー
トにしてから、真空中で600℃×20分間の焼鈍、続
いて大気中で1000℃×1時間の加熱を行なった。
これにより、図3に示す層構成の刃物材を得た。
The laminated material was cold-rolled into a sheet having a thickness of 0.1 mm, and then annealed at 600 ° C. for 20 minutes in vacuum, and then heated at 1000 ° C. for 1 hour in air.
Thus, a blade material having a layer configuration shown in FIG. 3 was obtained.

【0019】得られた刃物材に対して、下記の試験を行
なった。 1) 耐摩耗性:大越式摩耗試験機による摩耗試験、相
手材はWC 2) 高温耐食性:600℃×30分間の加熱−5%食
塩水中に浸漬×5分間−乾燥のサイクルから成る試験 比較のため、SUS440B鋼の厚さ0.1mmのシート
を、同様に試験した。
The following test was performed on the obtained blade material. 1) Abrasion resistance: Abrasion test by Ogoshi abrasion tester, WC is the counterpart material 2) High temperature corrosion resistance: Test consisting of heating at 600 ° C for 30 minutes-immersion in 5% saline solution x 5 minutes-drying cycle Therefore, a sheet of SUS440B steel having a thickness of 0.1 mm was similarly tested.

【0020】結果を、あわせて図7および図8に示す。The results are shown in FIG. 7 and FIG.

【0021】[実施例2]実施例1で用いたものと同じ
DSN6のシートの両面に、厚さが100μmのNi箔
をはさんで、やはり厚さ15μmのAl箔を重ね、クラ
ッド圧延および冷間圧延を行なって厚さ0.1mmのシー
トとした。
Example 2 A 15 μm thick Al foil was also placed on both sides of the same DSN6 sheet used in Example 1 with a 100 μm thick Ni foil interposed therebetween, and clad rolling and cooling were performed. Cold rolling was performed to obtain a sheet having a thickness of 0.1 mm.

【0022】実施例1と同じ条件で真空焼鈍および大気
中の加熱を行なって、図6に示す層構成の刃物材を得
た。
Vacuum annealing and heating in the air were performed under the same conditions as in Example 1 to obtain a blade material having a layer structure shown in FIG.

【0023】実施例1の刃物材と同様、この材料も、基
材のDSN6が加熱処理によって時効硬化しているの
で、図示した耐摩耗性および耐食性とともに、電気カミ
ソリの材料として好適であった。
Like the blade material of Example 1, this material was also suitable as an electric razor material, as well as the abrasion resistance and corrosion resistance shown, since the DSN 6 of the base material was age-hardened by heat treatment.

【0024】[0024]

【発明の効果】本発明により、表面がセラミックスのA
23で被覆されて耐摩耗性の向上した刃物材が実現す
る。 この刃物材は、Al23層の下に存在する金属間
化合物の層により、耐食性が高められている。 従っ
て、この材料で製作した刃物は、長期にわたってよい切
れ味を維持することができる。
According to the present invention, the surface of ceramics is
A blade material coated with l 2 O 3 and having improved wear resistance is realized. This blade material is enhanced in corrosion resistance by an intermetallic compound layer present under the Al 2 O 3 layer. Therefore, a blade made of this material can maintain good sharpness over a long period of time.

【0025】[0025]

【図面の簡単な説明】[Brief description of the drawings]

【図1】 本発明の刃物材の基本的な製造工程を説明す
るための材料の断面図であって、基材とAl箔を重ねた
段階を示す。
FIG. 1 is a cross-sectional view of a material for explaining a basic manufacturing process of a blade material according to the present invention, showing a stage in which a base material and an Al foil are stacked.

【図2】 本発明の刃物材の基本的な製造工程を説明す
るための材料の断面図であって、クラッド圧延した段階
を示す。
FIG. 2 is a cross-sectional view of a material for explaining a basic manufacturing process of the blade material of the present invention, and shows a stage after clad rolling.

【図3】 図1および図2の工程によって得た、本発明
の刃物材の基本的な層構成を示す図。
FIG. 3 is a diagram showing a basic layer configuration of the blade material of the present invention obtained by the steps of FIGS. 1 and 2;

【図4】 本発明の刃物材の別の製造工程を説明するた
めの材料の断面図であって、図1に対応して、基材とA
l箔を、Ni箔を介して重ねた段階を示す。
FIG. 4 is a cross-sectional view of a material for explaining another manufacturing process of the blade material of the present invention, and corresponds to FIG.
1 shows a stage in which 1 foil is stacked via a Ni foil.

【図5】 本発明の刃物材の別の製造工程を説明するた
めの、材料の断面図であって、図2に対応して、クラッ
ド圧延した段階を示す。
FIG. 5 is a cross-sectional view of the material for explaining another manufacturing process of the blade material of the present invention, and shows a stage of clad rolling corresponding to FIG.

【図6】 図4および図5の工程によって得た、本発明
の刃物材の層構成を示す図。
FIG. 6 is a diagram showing a layer configuration of the blade material of the present invention obtained by the steps of FIGS. 4 and 5;

【図7】 本発明の実施例における、耐摩耗性のデータ
を示すグラフ。
FIG. 7 is a graph showing wear resistance data in Examples of the present invention.

【図8】 本発明の実施例における、耐食性のデータを
示すグラフ。
FIG. 8 is a graph showing corrosion resistance data in an example of the present invention.

【符号の説明】[Explanation of symbols]

1 基材 2A,2B Al 3A,3B Ni 4 Fi3Al,Ni3Al,NiAl 5 Al2 1 Base material 2A, 2B Al 3A, 3B Ni 4 Fi 3 Al, Ni 3 Al, NiAl 5 Al 2 O 3

───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.6,DB名) B26D 1/14 B26B 19/00 ──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int. Cl. 6 , DB name) B26D 1/14 B26B 19/00

Claims (9)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】 2枚の刃が摺動的に接触して、刃の間に
挟んだ被切断物の剪断を行なう刃物材において、それら
の刃の接触面上に、刃物基材中の金属元素とAlとの金
属間化合物の層を介してAl23の層を有することを特
徴とする刃物材。
1. A blade material in which two blades slidably contact with each other to shear an object sandwiched between the blades, and a metal in a blade substrate is provided on a contact surface of the blades. A blade material having a layer of Al 2 O 3 via a layer of an intermetallic compound of an element and Al.
【請求項2】 刃物基材が、高硬度非磁性ステンレス
鋼、Fe−Mn合金およびBe−Cu合金からえらんだ
基材金属のいずれかから成るものである請求項1の刃物
材。
2. The blade material according to claim 1, wherein the blade substrate is made of any one of a base metal selected from a high-hardness non-magnetic stainless steel, an Fe—Mn alloy, and a Be—Cu alloy.
【請求項3】 刃物基材が、請求項2の基材金属の表面
にNi層を設けたものであり、金属間化合物がNiAl
および(または)Ni3Alである請求項1の刃物材。
3. The cutting tool base material according to claim 2, wherein a Ni layer is provided on the surface of the base metal, and the intermetallic compound is NiAl.
And / or Ni 3 Al.
【請求項4】 ネットと刃が摺動的に接触して、ネット
がとらえた被切断物の剪断を行なう刃物において、少な
くとも刃の接触面上に、刃物基材中の金属元素とAlと
の金属間化合物の層を介してAl23の層を有すること
を特徴とする刃物材。
4. A cutting tool in which a net and a blade are slidably contacted to shear a workpiece caught by the net, wherein at least on a contact surface of the blade, a metal element in the cutting tool base material and Al A blade material having an Al 2 O 3 layer via an intermetallic compound layer.
【請求項5】 刃物基材が、高硬度非磁性ステンレス
鋼、Fe−Mn合金およびBe−Cu合金からえらんだ
基材金属のいずれかから成るものである請求項4の刃物
材。
5. The blade material according to claim 4, wherein the blade substrate is made of any one of a base metal selected from a high-hardness non-magnetic stainless steel, an Fe—Mn alloy, and a Be—Cu alloy.
【請求項6】 刃物基材が、請求項2の基材金属の表面
にNi層を設けたものであり、金属間化合物がNiAl
および(または)Ni3Alである請求項4の刃物材。
6. The knife base material according to claim 2, wherein a Ni layer is provided on the surface of the base metal, and the intermetallic compound is NiAl.
And / or Ni 3 Al.
【請求項7】 刃物基材の表面にAl箔をクラッドし、
得られたクラッド材に対し真空焼鈍および酸化性雰囲気
下での加熱を行なって、刃物基材中の金属元素とAl層
との間に金属間化合物を形成させるとともに、表面にA
23層を形成させることからなる刃物材の製造方法。
7. An aluminum foil is clad on a surface of a blade base material,
The obtained clad material is subjected to vacuum annealing and heating in an oxidizing atmosphere to form an intermetallic compound between the metal element in the blade base material and the Al layer, and to form A on the surface.
A method for producing a blade material comprising forming an l 2 O 3 layer.
【請求項8】 刃物基材の表面にNi箔およびAl箔を
この順でクラッドし、得られたクラッド材に対し真空焼
鈍および酸化性雰囲気下での加熱を行なって、Ni層と
Al層との間でNiAlおよび(または)Ni3Alを
形成させるとともに、表面にAl23層を形成させるこ
とからなる刃物材の製造方法。
8. A Ni foil and an Al foil are clad on the surface of the blade base material in this order, and the obtained clad material is subjected to vacuum annealing and heating in an oxidizing atmosphere to form a Ni layer and an Al layer. A method of manufacturing a blade material comprising forming NiAl and / or Ni 3 Al between the layers and forming an Al 2 O 3 layer on the surface.
【請求項9】 真空焼鈍を400〜650℃×1〜20
0分間、酸化性雰囲気下での加熱を大気中600〜10
00℃×5〜20時間の条件で実施する請求項7または
8の製造方法。
9. Vacuum annealing at 400 to 650 ° C. × 1 to 20
Heating in an oxidizing atmosphere for 0 minute is performed in air at 600 to 10
The method according to claim 7, wherein the method is carried out under the conditions of 00 ° C. × 5 to 20 hours.
JP74091A 1991-01-08 1991-01-08 Blade material and manufacturing method Expired - Fee Related JP2932700B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP74091A JP2932700B2 (en) 1991-01-08 1991-01-08 Blade material and manufacturing method

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JP74091A JP2932700B2 (en) 1991-01-08 1991-01-08 Blade material and manufacturing method

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JP2932700B2 true JP2932700B2 (en) 1999-08-09

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DE69602226T2 (en) * 1995-05-19 1999-08-19 Matsushita Electric Works Ltd Iron alloy with Fe-Al diffusion layer and process for its production
DE10159949C1 (en) * 2001-12-06 2003-05-22 Wieland Werke Ag Use of a copper-aluminum alloy as bearing material in the manufacture of wear resistant sliding bearings used in the car industry
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