JPS62227554A - Mold for continuous casting - Google Patents
Mold for continuous castingInfo
- Publication number
- JPS62227554A JPS62227554A JP7221486A JP7221486A JPS62227554A JP S62227554 A JPS62227554 A JP S62227554A JP 7221486 A JP7221486 A JP 7221486A JP 7221486 A JP7221486 A JP 7221486A JP S62227554 A JPS62227554 A JP S62227554A
- Authority
- JP
- Japan
- Prior art keywords
- mold
- continuous casting
- composite material
- layer
- protective layer
- 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.)
- Granted
Links
- 238000009749 continuous casting Methods 0.000 title claims description 20
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 claims abstract description 12
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 26
- 229910052751 metal Inorganic materials 0.000 claims description 25
- 239000002184 metal Substances 0.000 claims description 25
- 239000011241 protective layer Substances 0.000 claims description 23
- 239000002131 composite material Substances 0.000 claims description 20
- 238000000576 coating method Methods 0.000 claims description 19
- 239000011248 coating agent Substances 0.000 claims description 16
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 14
- 229910052802 copper Inorganic materials 0.000 claims description 14
- 239000010949 copper Substances 0.000 claims description 14
- 229910052759 nickel Inorganic materials 0.000 claims description 12
- 239000010941 cobalt Substances 0.000 claims description 9
- 229910017052 cobalt Inorganic materials 0.000 claims description 9
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 9
- 238000010285 flame spraying Methods 0.000 claims description 6
- 239000011651 chromium Substances 0.000 claims description 4
- MTPVUVINMAGMJL-UHFFFAOYSA-N trimethyl(1,1,2,2,2-pentafluoroethyl)silane Chemical compound C[Si](C)(C)C(F)(F)C(F)(F)F MTPVUVINMAGMJL-UHFFFAOYSA-N 0.000 claims description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 3
- 229910052804 chromium Inorganic materials 0.000 claims description 3
- 238000005507 spraying Methods 0.000 abstract description 13
- 239000002893 slag Substances 0.000 abstract description 7
- 230000009257 reactivity Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract 3
- 239000011365 complex material Substances 0.000 abstract 2
- 239000000758 substrate Substances 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 25
- 239000000463 material Substances 0.000 description 11
- 238000012360 testing method Methods 0.000 description 7
- 238000007747 plating Methods 0.000 description 6
- 239000000843 powder Substances 0.000 description 5
- 230000008439 repair process Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000000956 alloy Substances 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 230000013011 mating Effects 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- -1 Alternatively Chemical compound 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 235000010724 Wisteria floribunda Nutrition 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000007750 plasma spraying Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007751 thermal spraying Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
- B22D11/059—Mould materials or platings
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
Abstract
Description
【発明の詳細な説明】 （産業上の利用分野） 本発明は連続鋳造用鋳型に関する。[Detailed description of the invention] (Industrial application field) The present invention relates to a continuous casting mold.
（従来の技術）
近年、連続鋳造においては、操業の高速化とオンライン
での鋳造中変更技術の発達に伴い、連続鋳造用鋳型に要
求される性能も過酷なものとなり、銅製鋳型の耐久性を
向上させるため、最近では、銅製鋳型の内壁面にＮｉメ
ッキ層を形成しだらの、Ｎｉメッキ層のうえにＮ１−Ｐ
やＣｒのメッキ層を積層したもの（例えば、特開昭５２
−５２８２８号公報）、あるいは自溶合金を溶射して表
面処理したものが汎用されてきている。(Conventional technology) In recent years, in continuous casting, with the speeding up of operations and the development of on-line change during casting technology, the performance required of continuous casting molds has become harsher, and the durability of copper molds has been reduced. Recently, in order to improve the
or Cr plating layer (for example, JP-A-52
-52828), or those whose surface has been treated by thermal spraying with a self-fluxing alloy have been widely used.
（発明が解決しようとする問題点）
しかしながら、これらの保護膜を形成した連続鋳造用鋳
をであっても反復使用すると、凝固殻の摺動により鋳型
下部の保護層が摩耗するため、頻繁に鋳型の摩耗面を補
修する必要があった。しかも、保護層をメッキで形成し
たものでは、局部的な補修ができないため、鋳型表面に
残存している総てのメッキ層を除去して再度メッキ層を
形成しなければならず、補修する度に銅の肉厚が薄くな
り数回の補修で使用不可能になるという問題があった。(Problem to be Solved by the Invention) However, even if continuous casting molds with these protective films are used repeatedly, the protective layer at the bottom of the mold will wear out due to the sliding of the solidified shell, resulting in frequent wear and tear. It was necessary to repair the worn surfaces of the mold. Moreover, with a protective layer formed by plating, local repairs cannot be performed, so all plating layers remaining on the mold surface must be removed and a new plating layer must be formed, and each time repairs are made, The problem was that the thickness of the copper became thinner, making it unusable after several repairs.
また、保護層を自溶合金で形成したものでは、補修する
度に熱処理しなければならないことから熱変形を生じ、
その反復使用が制限されるという問題かあった。In addition, when the protective layer is made of a self-fluxing alloy, heat treatment is required each time it is repaired, resulting in thermal deformation.
There was a problem that its repeated use was restricted.
他方、保護層形成材料として自溶合金以外の金属材料、
例えば、クロム、コバルト等を用い、その粉末をプラズ
マ溶射法により銅素材表面に溶射して保護層を形成する
ことが考えられるが、これらの金属の溶射被膜は銅素材
との密着力が弱いため、連続モードで操業される連続鋳
造用鋳型には適用することが不可能であった。On the other hand, metal materials other than self-fluxing alloys as protective layer forming materials,
For example, it is possible to form a protective layer by using chromium, cobalt, etc., and spraying the powder onto the surface of the copper material using plasma spraying, but since the sprayed coatings of these metals have weak adhesion to the copper material. , it was impossible to apply it to continuous casting molds operated in continuous mode.
（問題点を解決するための手段）
本発明は、前記問題を解決する手段として、銅製鋳型の
内壁面に超音速フレーム溶射法により形成された溶射被
膜からなる保護層を有し、前記溶射被膜がニッケルおよ
び／または金属炭化物系複合材料からなり、該溶射被膜
中の金属炭化物系複合材料の含有量が鋳型内壁面側から
表面側へ連続的に又は段階的に増大していることを特徴
とする連続鋳造用鋳型を提供するものである。(Means for Solving the Problems) As a means for solving the above problems, the present invention has a protective layer made of a thermally sprayed coating formed by a supersonic flame spraying method on the inner wall surface of a copper mold, and the thermally sprayed coating is is made of nickel and/or a metal carbide composite material, and the content of the metal carbide composite material in the sprayed coating increases continuously or stepwise from the mold inner wall side to the surface side. The present invention provides a continuous casting mold for continuous casting.
好ましい実施態様においては、保護層は金属炭化物系複
合材料含有量が連続的に漸増する単一の溶射被膜で形成
される。In a preferred embodiment, the protective layer is formed from a single sprayed coating with successively increasing metal carbide composite content.
また、他の実施態様においては、保護層が積層された複
数の溶射被膜からなり、最下層の溶射被膜がニッケル単
体で形成され、最上層の溶射被膜が金属炭化物系複合材
料単体で形成される。In another embodiment, the protective layer is made up of a plurality of laminated thermal spray coatings, the bottom spray coating being made of nickel alone, and the top spray coating being made of a metal carbide composite material alone. .
なお、金属炭化物系複合材料としては、コバルトを含有
するタングステンカーバイトまたはチタンカーバイト、
あるいはコバルト、ニッケルおよびクロムを含有するタ
ングステンカーバイトまたはチタンカーバイトなどが挙
げられるが、これらに限定されるものではない。Note that metal carbide composite materials include tungsten carbide or titanium carbide containing cobalt,
Alternatively, tungsten carbide or titanium carbide containing cobalt, nickel, and chromium may be used, but the material is not limited thereto.
（作用）
本発明に係る連続鋳造用鋳型は、鋳型の銅素材表面に形
成する下地として銅との相溶性の良いニッケルを採用し
、これを超音速フレーム溶射法で鋳型の銅素材表面に吹
き付け、金属溶射被膜と銅素材との密着力を向上させる
一方、保護層の表面を金属炭化物系複合材料単体または
それとニッケルとの混合物で形成することにより耐摩耗
性、耐熱性を向上させるようにし、また、スラグとの反
応を抑制し、かつ、金属炭化物系複合材料は高硬度であ
るが脆く熱衝撃によるクラックを発生し易いので、保護
層の鋳型表面に接する部分と表面との間の中間部分をニ
ッケルと金属炭化物系複合材料とで形成し、鋳型表面側
から保護層表面へ行くほど金属炭化物系複合材料の含有
量を連続的にあるいは段階的に増大させることにより、
層状組織の欠陥である各層間の物理的性質の相違による
熱衝撃や肋間の剥離を緩和し、溶射被膜の延展性および
密着力を向上させ、耐用度を向上させるようにしたしの
である。また、超音速フレーム溶射法を採用することに
より、局部的補修を可能にしたものである。(Function) The continuous casting mold according to the present invention uses nickel, which has good compatibility with copper, as a base to be formed on the surface of the copper material of the mold, and sprays this onto the surface of the copper material of the mold using a supersonic flame spraying method. , while improving the adhesion between the metal spray coating and the copper material, the surface of the protective layer is made of a single metal carbide composite material or a mixture of it and nickel to improve wear resistance and heat resistance; In addition, the reaction with slag is suppressed, and metal carbide composite materials have high hardness but are brittle and easily crack due to thermal shock. is formed from nickel and a metal carbide composite material, and the content of the metal carbide composite material is increased continuously or stepwise from the mold surface side to the protective layer surface.
The thermal shock and peeling between the ribs caused by differences in physical properties between layers, which are defects in the layered structure, are alleviated, and the spreadability and adhesion of the sprayed coating are improved, thereby increasing its durability. In addition, by employing supersonic flame spraying, localized repairs are possible.
（実施例）
以下、本発明の実施例について添付の図面を参照して説
明する。(Example) Hereinafter, an example of the present invention will be described with reference to the accompanying drawings.
第１図は、連続鋳造用鋳型の短辺側鋳型の断面を示し、
ｌは銅で形成された鋳型ベースで、その内壁面には複数
層の金属溶射被膜からなる保護層２が形成されている。Figure 1 shows the cross section of the short side mold of the continuous casting mold,
1 is a mold base made of copper, and a protective layer 2 consisting of a plurality of layers of metal spray coating is formed on the inner wall surface of the mold base.
銅製鋳型ベースｌ上に下地として形成される保護層２の
最下層の溶射被膜３ａはニッケル単体で形成され、最上
層の溶射被膜３ｅはコバルト含有タングステンカーバイ
ト単体（ＷＣ−１２Ｃｏ）で形成されている。最下層３
ａと最上層３ｅとの間に形成される中間層３ｂ〜３ｄは
ニッケルとコバルト含有タングステンカーバイト（ＷＣ
−１２ｃｏ）とからなり、その中間層中のＷＣ−１２Ｃ
ｏの含有量は、上層にいくに従って順次増大するように
しである。The lowermost thermal sprayed coating 3a of the protective layer 2 formed as a base on the copper mold base l is formed of nickel alone, and the uppermost thermal sprayed coating 3e is formed of cobalt-containing tungsten carbide alone (WC-12Co). There is. bottom layer 3
Intermediate layers 3b to 3d formed between nickel and cobalt-containing tungsten carbide (WC
-12co), and WC-12C in the intermediate layer.
The content of o increases sequentially toward the upper layer.
前記溶射被膜は、水素、プロピレンなどの可燃性ガスを
超音速フレーム溶射ガン内で爆発的に燃焼させて音速の
４〜５倍に達する超音速のガスフレームを発生させ、そ
れによりニッケル粉末および／またはコバルト含有タン
グステンカーバイトの粉末を熔融、噴射させる超音速フ
レーム溶射法により形成されている。The thermal spray coating is made by explosively burning combustible gas such as hydrogen or propylene in a supersonic flame spray gun to generate a supersonic gas flame that reaches 4 to 5 times the speed of sound, thereby forming nickel powder and/or Alternatively, it is formed by a supersonic flame spraying method in which cobalt-containing tungsten carbide powder is melted and sprayed.
前記構造の連続鋳造用鋳型の特性を調査するため、第１
表および第２表に示す構成の保護層を銅片の表面に形成
し、その耐摩耗性、耐熱性、スラグとの反応性および耐
剥離性について測定したところ、耐剥離性以外の特性に
ついては、それぞれ多層金属メッキのものより優れた性
能が得られた。In order to investigate the characteristics of the continuous casting mold with the above structure, the first
A protective layer having the composition shown in Tables 1 and 2 was formed on the surface of a copper piece, and its wear resistance, heat resistance, reactivity with slag, and peeling resistance were measured. , respectively, showed better performance than multilayer metal plating.
また、耐剥離性については多層金属メッキのものと同等
の結果を示した。Furthermore, in terms of peeling resistance, the results were comparable to those of multilayer metal plating.
第１表
配合比率（体積比） 膜厚
Ｎ ｉ ＷＣ−１２Ｃｏ （μ）第１層
ｔｏｏ ２００第２層 ８０
２０ ５０第３層 ５０ ５０ ５
０第４層 ２０ ８０ ５０配合比率（体
積比） 膜厚
Ｎｉ ＷＣ−１２Ｃｏ （μ）第１層
＋００ ５０
第２層 ８５ １５ ５０第３層 ７０
３０ ５０第４層 ５５ ４５
５０第５層 ４０ ６０ ５０第６層
２５ ７５ ５０第７層 ＋０
９０ ５０第８層 −ｔｏｏ ５０
耐摩耗性については、第２図に示す構造の高温 ′
摺動摩耗試験機を用いて、実際の連続操業とほぼ
・等しい条件を模擬的に再現し、鋼塊表面に付着し
゛たスラグによる摩耗、被膜の割れ、剥離、傷の状態
を観察した。前記高温摺動摩耗試験機は支持台１１に、
鋼塊に相当する相手材１２を固定してヒータ！７で加熱
するようにし、一端を固定された支持片１３の他端に荷
重片１４を取り付けて加圧ローラ１５を介して試験片１
０に荷重をかけながら、モータ１６で駆動されるリンク
機構１８により試験片ｌＯを往復駆動し、試験片！０と
相手材１２との間にスラグ形成材、例えば、アルミナを
介在させて摺動させるようにしたものである。Table 1 Mixing ratio (volume ratio) Film thickness Ni WC-12Co (μ) 1st layer too 200 2nd layer 80
20 50 3rd layer 50 50 5
0 4th layer 20 80 50 Mixing ratio (volume ratio) Film thickness Ni WC-12Co (μ) 1st layer
+00 50 2nd layer 85 15 50 3rd layer 70
30 50 4th layer 55 45
50 5th layer 40 60 50 6th layer 25 75 50 7th layer +0
90 50 8th layer -too 50 Regarding wear resistance, high temperature '
Using a sliding abrasion tester, the results are similar to actual continuous operation.
・Similarly reproduce the same conditions and adhere to the surface of the steel ingot.
We observed the state of wear, cracking, peeling, and scratches on the coating caused by the slag. The high-temperature sliding wear tester has a support base 11,
Heater by fixing the mating material 12 corresponding to the steel ingot! 7, a load piece 14 is attached to the other end of the support piece 13 whose one end is fixed, and the test piece 1 is heated via the pressure roller 15.
While applying a load to 0, the test piece lO is reciprocated by the link mechanism 18 driven by the motor 16, and the test piece ! A slag forming material, such as alumina, is interposed between the mating material 12 and the mating material 12 to allow sliding.
また、耐熱性およびスラグとの反応性については、第３
図に示す構造の連続鋳造用模擬モールド試験機を用い、
銅製ベースの表面に保護層を形成してなる試験モールド
２０と固定モールド２１で鋳型を形成させ、試験モール
ド２０に内設した冷却水路に配管２５により冷却水を流
して水冷しながらエレクトロスラブ溶接法によりワイヤ
ー２２１溶融させて鋳型内に溶射２３を形成させ、ダミ
ーバ２４を４．５ｍｍ／ｍｉｎの一定速度で引き抜いて
４ラブを鋳造した後、試験モールド２０から試料≧採取
し、被膜の劣化状況を調べた。In addition, regarding heat resistance and reactivity with slag,
Using a mock mold testing machine for continuous casting with the structure shown in the figure,
A test mold 20 with a protective layer formed on the surface of a copper base and a fixed mold 21 form a mold, and cooling water is flowed through a cooling channel installed in the test mold 20 through a pipe 25 to perform electroslab welding while cooling with water. The wire 221 was melted to form a thermal spray 23 in the mold, and the dummy bar 24 was pulled out at a constant speed of 4.5 mm/min to cast 4 rubs. Samples were taken from the test mold 20 to examine the deterioration of the coating. Examined.
なお、前記実施例においては、いずれら最上層（金属炭
化物系複合材料単体で形成しているが、６ずしもその必
要は無く、金属炭化物系複合材料こ少量のニッケルを含
有させたもので形成しても腿い。Incidentally, in the above examples, both the uppermost layers (formed of the metal carbide composite material alone) are not necessary, and the metal carbide composite material contains a small amount of nickel. Even when formed, it is thick.
また、前記実施例では、いづれも保護層を積層された複
数の溶射被膜で形成し、保護層中の金属分化物系複合材
料の含有量を段階的に増加させて−するが、必ずしもそ
の必要はなく、超音速のガスフレームを用いて溶射被膜
を形成する過程で、原叫粉末の組成を初めはニッケル粉
末単体のみとし、欠いて金属炭化物系複合材料、例えば
、コバルト含有タングステンカーバイトの粉末を添加し
ていき、その添加量を徐々に増大さ什て原料粉末の組成
を変えろことにより、保護層中の金属炭化物系複合材料
の含有量を連続的に増大させるようにしても良い。In addition, in each of the above embodiments, the protective layer is formed of a plurality of laminated thermal sprayed coatings, and the content of the metal differentiated composite material in the protective layer is increased in stages, but this is not always necessary. Instead, in the process of forming a thermally sprayed coating using a supersonic gas flame, the composition of the original powder was initially reduced to just nickel powder, and was then replaced with a metal-carbide composite material, such as cobalt-containing tungsten carbide powder. The content of the metal carbide composite material in the protective layer may be continuously increased by gradually increasing the amount added and changing the composition of the raw material powder.
（発明の効果）
以上の説明から明らかなように、本発明によれば、耐摩
耗性、耐熱性に優れ、スラグとの反応性が小さく、耐久
性に優れた連続鋳造用鋳型を得ることができる。また、
保護層が超音速フレーム溶射法により形成されているた
め、局部的に摩耗した場合であっても全体の保護層を除
去することなく補修をすることができるなど優れた効果
が得られる。(Effects of the Invention) As is clear from the above description, according to the present invention, it is possible to obtain a continuous casting mold that has excellent wear resistance, heat resistance, low reactivity with slag, and excellent durability. can. Also,
Since the protective layer is formed by supersonic flame spraying, excellent effects can be obtained, such as even if local wear occurs, it can be repaired without removing the entire protective layer.
第１図は本発明に係る連続鋳造用鋳型の断面図、第２図
は高温摺動摩耗試験機の説明図、第３図は連続鋳造用模
擬モールド試験機の説明図である。
１：長辺側鋳型ベース、２二短辺側鋳型ベース、２：保
護層、３ａ、最下層の溶射被膜、３ｂ〜３ｄ：中間層、
３ｅ：最上層の溶射被膜。
特 許 出 願 人 住友金属工業株式会社同 上
大阪富士工業株式会社代 理 人 弁理士 青白
葆 はか２名第１！！ＩFIG. 1 is a sectional view of a continuous casting mold according to the present invention, FIG. 2 is an explanatory view of a high temperature sliding wear tester, and FIG. 3 is an explanatory view of a continuous casting mock mold tester. 1: long side mold base, 2 2 short side mold base, 2: protective layer, 3a, bottom layer thermal spray coating, 3b to 3d: intermediate layer,
3e: Top layer thermal spray coating. Patent Applicant Sumitomo Metal Industries Co., Ltd. Osaka Fuji Industries Co., Ltd. Agent Patent Attorney 2 people first! ! I
Claims (5)
形成された溶射被膜からなる保護層を有し、前記溶射被
膜がニッケルおよび／または金属炭化物系複合材料から
なり、該溶射被膜中の金属炭化物系複合材料の含有量が
鋳型内壁面側から表面側へ連続的にまたは段階的に増大
していることを特徴とする連続鋳造用鋳型。(1) A protective layer consisting of a thermally sprayed coating formed by supersonic flame spraying on the inner wall surface of the copper mold, the thermally sprayed coating consisting of nickel and/or a metal carbide composite material, and the metal in the thermally sprayed coating A mold for continuous casting, characterized in that the content of a carbide-based composite material increases continuously or stepwise from the inner wall side of the mold to the surface side.
続的に漸増する単一の溶射被膜からなる特許請求の範囲
第１項記載の連続鋳造用鋳型。(2) The continuous casting mold according to claim 1, wherein the protective layer comprises a single thermally sprayed coating in which the metal carbide composite material content gradually increases.
、最下層の溶射被膜がニッケル単体からなり、最上層の
溶射被膜が金属炭化物系複合材料単体からなる特許請求
の範囲第１項記載の連続鋳造用鋳型。(3) Claim 1, wherein the protective layer is composed of a plurality of laminated thermal sprayed coatings, the lowest thermal sprayed coating is made of nickel alone, and the uppermost thermal sprayed coating is made of a metal carbide composite material alone. Continuous casting mold.
タングステンカーバイトまたはチタンカーバイトである
特許請求の範囲第１項〜第３項のいづれか一項記載の連
続鋳造用鋳型。(4) The continuous casting mold according to any one of claims 1 to 3, wherein the metal carbide composite material is tungsten carbide or titanium carbide containing cobalt.
およびクロムを含有するタングステンカーバイトまたは
チタンカーバイトである特許請求の範囲第１項〜第３項
のいづれか一項記載の連続鋳造用鋳型。(5) The continuous casting mold according to any one of claims 1 to 3, wherein the metal carbide composite material is tungsten carbide or titanium carbide containing cobalt, nickel, and chromium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61072214A JPH0636963B2 (en) | 1986-03-28 | 1986-03-28 | Mold for continuous casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61072214A JPH0636963B2 (en) | 1986-03-28 | 1986-03-28 | Mold for continuous casting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62227554A true JPS62227554A (en) | 1987-10-06 |
| JPH0636963B2 JPH0636963B2 (en) | 1994-05-18 |
Family
ID=13482770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61072214A Expired - Lifetime JPH0636963B2 (en) | 1986-03-28 | 1986-03-28 | Mold for continuous casting |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0636963B2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01186245A (en) * | 1988-01-21 | 1989-07-25 | Ofic Co | Mold for continuous casting |
| US5499672A (en) * | 1994-06-01 | 1996-03-19 | Chuetsu Metal Works Co., Ltd. | Mold for continuous casting which comprises a flame sprayed coating layer of a tungsten carbide-based wear-resistant material |
| WO2003064077A1 (en) * | 2002-01-29 | 2003-08-07 | Jfe Steel Corporation | Mold copper sheet for continuous casting manufacturing same |
| US20100316883A1 (en) * | 2009-06-10 | 2010-12-16 | Deloro Stellite Holdings Corporation | Spallation-resistant multilayer thermal spray metal coatings |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4924837A (en) * | 1972-07-03 | 1974-03-05 | ||
| JPS4969516A (en) * | 1972-11-06 | 1974-07-05 | ||
| JPS5354214A (en) * | 1976-10-27 | 1978-05-17 | Mitsubishi Heavy Ind Ltd | Ceramics coating method |
| JPS5771671A (en) * | 1980-10-20 | 1982-05-04 | Kyushu Refract Co Ltd | Ceramic coating method |
| JPS5973153A (en) * | 1982-10-21 | 1984-04-25 | Mishima Kosan Co Ltd | Mold for continuous casting and its production |
| JPS6038222A (en) * | 1983-08-10 | 1985-02-27 | Showa Mfg Co Ltd | Car height adjusting device |
| JPS60221151A (en) * | 1984-04-18 | 1985-11-05 | Kawasaki Steel Corp | Continuous casting mold and formation of thermally sprayed film on inside surface of mold |
-
1986
- 1986-03-28 JP JP61072214A patent/JPH0636963B2/en not_active Expired - Lifetime
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4924837A (en) * | 1972-07-03 | 1974-03-05 | ||
| JPS4969516A (en) * | 1972-11-06 | 1974-07-05 | ||
| JPS5354214A (en) * | 1976-10-27 | 1978-05-17 | Mitsubishi Heavy Ind Ltd | Ceramics coating method |
| JPS5771671A (en) * | 1980-10-20 | 1982-05-04 | Kyushu Refract Co Ltd | Ceramic coating method |
| JPS5973153A (en) * | 1982-10-21 | 1984-04-25 | Mishima Kosan Co Ltd | Mold for continuous casting and its production |
| JPS6038222A (en) * | 1983-08-10 | 1985-02-27 | Showa Mfg Co Ltd | Car height adjusting device |
| JPS60221151A (en) * | 1984-04-18 | 1985-11-05 | Kawasaki Steel Corp | Continuous casting mold and formation of thermally sprayed film on inside surface of mold |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01186245A (en) * | 1988-01-21 | 1989-07-25 | Ofic Co | Mold for continuous casting |
| US5499672A (en) * | 1994-06-01 | 1996-03-19 | Chuetsu Metal Works Co., Ltd. | Mold for continuous casting which comprises a flame sprayed coating layer of a tungsten carbide-based wear-resistant material |
| WO2003064077A1 (en) * | 2002-01-29 | 2003-08-07 | Jfe Steel Corporation | Mold copper sheet for continuous casting manufacturing same |
| US20100316883A1 (en) * | 2009-06-10 | 2010-12-16 | Deloro Stellite Holdings Corporation | Spallation-resistant multilayer thermal spray metal coatings |
| US8609196B2 (en) * | 2009-06-10 | 2013-12-17 | Kennametal Inc. | Spallation-resistant multilayer thermal spray metal coatings |
| US9556506B2 (en) | 2009-06-10 | 2017-01-31 | Kennametal Inc. | Spallation-resistant multilayer thermal spray metal coatings |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0636963B2 (en) | 1994-05-18 |
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