JP3215492B2 - Coated cemented carbide with crystal orientation - Google Patents
Coated cemented carbide with crystal orientationInfo
- Publication number
- JP3215492B2 JP3215492B2 JP11701492A JP11701492A JP3215492B2 JP 3215492 B2 JP3215492 B2 JP 3215492B2 JP 11701492 A JP11701492 A JP 11701492A JP 11701492 A JP11701492 A JP 11701492A JP 3215492 B2 JP3215492 B2 JP 3215492B2
- Authority
- JP
- Japan
- Prior art keywords
- coating
- substrate
- cemented carbide
- carbide
- coated cemented
- 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.)
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- Powder Metallurgy (AREA)
- Physical Vapour Deposition (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、炭化タングステン基超
硬合金基体の表面に存在する炭化タングステンの結晶配
向と基体の表面に被覆された被膜の結晶配向を行うこと
により、基体と被膜との付着性を高めた結晶配向の被覆
超硬合金に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for forming a crystal of tungsten carbide based cemented carbide substrate on a surface of the substrate and a film coated on the surface of the substrate by crystallographic orientation of the substrate. The present invention relates to a coated cemented carbide having a crystal orientation with enhanced adhesion.
【０００２】[0002]
【従来の技術】従来、超硬合金基体の表面に、ＣＶＤ法
（化学蒸着法）やＰＶＤ法（物理蒸着法）によりＴｉの
炭化物，窒化物及び炭窒化物の中の１種の単層又は多層
の被膜を被覆してなる被覆超硬合金が多数提案されてい
る。これらの被覆超硬合金の内、ＣＶＤ法による被覆超
硬合金は、被膜と基体との付着性に優れるが、基体の表
面が脆化されているために欠損又はチッピングしやすい
という問題があり、ＰＶＤ法による被覆超硬合金は、被
膜と基体との付着性に劣るために、被膜の剥離が生じや
すいという問題がある。これらの問題を解決するための
一方向として提案されているものに、被膜の結晶配向に
よる被覆超硬合金があり、その代表的なものとして、特
開昭５６−１５６７６７号公報及び特開平２−１５９３
６３号公報がある。2. Description of the Related Art Conventionally, a single layer of one of Ti carbides, nitrides, and carbonitrides is formed on the surface of a cemented carbide substrate by CVD (chemical vapor deposition) or PVD (physical vapor deposition). Many coated hardmetals formed by coating a multi-layer coating have been proposed. Among these coated cemented carbides, the coated cemented carbide by the CVD method has excellent adhesion between the coating and the substrate, but has a problem that the surface of the substrate is fragile and easily chipped or chipped. The coated cemented carbide obtained by the PVD method has a problem that the coating is easily peeled off since the adhesion between the coating and the substrate is poor. One of the proposals for solving these problems is a coated cemented carbide based on the crystal orientation of the coating. Representative examples thereof include JP-A-56-156767 and JP-A-2-15667. 1593
No. 63 is known.
【０００３】[0003]
【発明が解決しようとする課題】特開昭５６−１５６７
６７号公報には、超硬合金基体の表面に被覆させたＴ
ｉ，Ｚｒ，Ｈｆの炭化物，窒化物，炭窒化物の被膜の結
晶が（２２０）面に強く配向されてなる被覆超硬合金に
ついて記載されている。Problems to be Solved by the Invention JP-A-56-1567
No. 67 discloses that T
It describes a coated cemented carbide in which crystals of i, Zr, and Hf carbide, nitride, and carbonitride coatings are strongly oriented to the (220) plane.
【０００４】また、特開平２−１５９３６３号公報に
は、超硬合金基体の表面にイオンプレーティング法によ
るＴｉの炭化物，窒化物及び炭窒化物のうちの１種の単
層又は２種以上の多層の被膜を被覆させた被覆超硬合金
における基体の表面と接する少なくとも第１層の被膜が
（１１１）面に強く配向されてなる被覆超硬合金につい
て記載されている。Japanese Patent Application Laid-Open No. 2-159363 discloses that a single layer or two or more of Ti carbides, nitrides and carbonitrides are formed on the surface of a cemented carbide substrate by ion plating. A coated cemented carbide in which at least a first layer coating in contact with the surface of a substrate in a coated cemented carbide coated with a multilayer coating is strongly oriented to a (111) plane is described.
【０００５】これら両公報に記載の被覆超硬合金は、被
膜の結晶を一定方向に配向させることにより被膜の付着
性を高めようとしたものではあるが、被膜の結晶性のみ
に注目しているために超硬合金基体と被膜との付着性の
効果がそれほど顕著ではないという問題がある。[0005] The coated cemented carbides described in these publications are intended to enhance the adhesion of the coating by orienting the crystals of the coating in a certain direction, but pay attention only to the crystallinity of the coating. Therefore, there is a problem that the effect of adhesion between the cemented carbide substrate and the coating film is not so remarkable.
【０００６】本発明は、上述の問題点を解決したもの
で、具体的には超硬合金基体の表面に存在する炭化タン
グステンの結晶を一定方向に配向させると共に、基体の
表面に被覆された被膜の結晶も一定方向に配向させて、
基体の表面と被膜との関係を結晶学的ミスフイットエネ
ルギを最小とし、最適な組合わせとなる結晶面を形成す
ることにより、基体と被膜との付着性の効果及び耐欠損
性の効果を最大限に発揮させてなる結晶配向の被覆超硬
合金の提供を目的とする。The present invention has been made to solve the above-mentioned problems. Specifically, the present invention is directed to a method in which tungsten carbide crystals existing on the surface of a cemented carbide substrate are oriented in a certain direction, and a coating film coated on the surface of the substrate is provided. Crystal is also oriented in a certain direction,
The relationship between the surface of the substrate and the coating is minimized by the crystallographic misfit energy, and by forming a crystal plane that is an optimal combination, the effect of adhesion between the substrate and the coating and the effect of fracture resistance are maximized. It is an object of the present invention to provide a coated cemented carbide having a crystallographic orientation that is maximized.
【０００７】[0007]
【課題を解決するための手段】本発明者は、超硬合金基
体の表面にＴｉの炭化物，窒化物又は炭窒化物の被膜を
被覆した被覆超硬合金における、基体と被膜との付着性
について、結晶学的及び表面エネルギーの観点より検討
していた所、基体表面と被膜との両方から最適な結晶面
の組合わせがあるという知見を得て本発明を完成するに
至ったものである。Means for Solving the Problems The present inventor has investigated the adhesion between a cemented carbide substrate and a coating in a cemented carbide alloy in which the surface of a cemented carbide substrate is coated with a coating of Ti carbide, nitride or carbonitride. The inventors of the present invention have studied from the viewpoints of crystallography and surface energy, and have found that there is an optimal combination of crystal planes from both the substrate surface and the coating film, thereby completing the present invention.
【０００８】すなわち、本発明の結晶配向の被覆超硬合
金は、炭化タングステン基超硬合金基体の表面の１部又
は全面に周期律表の４ａ，５ａ族金属の炭化物，炭酸化
物，窒化物，窒酸化物及びこれらの相互固溶体の中の１
種以上の単層もしくは多層の被膜を被覆してなる被覆超
硬合金であって、該基体の表面に存在する炭化タングス
テンは、Ｃｕ−ＫαХ線による回折角２０°〜７０°
（２θ）間のＸ線反射回折強度比の８０％以上が（１０
０）面及び／又は（００１）面からなり、該被膜は、該
基体の表面に接する第１被膜がＢ１型化合物でなり、か
つ該第１被膜のＢ１型化合物はＣｕ−ＫαХ線による回
折角２０°〜７０°（２θ）間のＸ線反射回折強度比の
８０％以上が（１１１）面でなることを特徴とするもの
である。That is, the coated cemented carbide having a crystal orientation according to the present invention comprises a carbide, a carbonate, a nitride of a metal belonging to Group 4a or 5a of the periodic table on a part or the entire surface of a tungsten carbide-based cemented carbide substrate. 1 of nitric oxides and their mutual solid solutions
A tungsten carbide present on the surface of the substrate, wherein the tungsten carbide present on the surface of the substrate is a diffraction angle of 20 ° to 70 ° by Cu-KαХ ray.
80% or more of the X-ray reflection diffraction intensity ratio between (2θ) is (10)
0) plane and / or (001) plane, wherein the first coating in contact with the surface of the substrate is a B1 type compound, and the B1 type compound of the first coating is a diffraction angle by Cu-KαХ ray. It is characterized in that 80% or more of the X-ray reflection diffraction intensity ratio between 20 ° and 70 ° (2θ) is the (111) plane.
【０００９】本発明の被覆超硬合金における基体は、組
成成分的には炭化タングステンの含有した超硬合金、具
体的には、例えば、ＪＩＳ規格のＨ５５０１（超硬合
金），Ｂ４０５３（超硬合金の使用選択基準），Ｍ３９
１６（超硬チップ鉱山工具用）及び従来の特許公報等に
記載されている炭化タングステンを含有した超硬合金か
らなるが、最大の特徴は、基体の表面に存在している炭
化タングステンが（１００）面及び／又は（００１）面
に結晶配向されていることである。The substrate in the coated cemented carbide according to the present invention is made of a cemented carbide containing tungsten carbide as a compositional component, specifically, for example, JIS standard H5501 (hardmetal), B4053 (hardmetal) Use criteria), M39
16 (for carbide chip mining tools) and a cemented carbide containing tungsten carbide described in a conventional patent publication and the like. The most distinctive feature is that tungsten carbide present on the surface of the substrate is (100%). ) Plane and / or (001) plane.
【００１０】この基体の表面に形成される被膜の内、基
体の表面に接する少なくとも第１被膜は、周期律表の４
ａ，５ａ族金属の炭化物，炭酸化物，窒化物，窒酸化物
及びこれらの相互固溶体の中の１種のＢ１型化合物でな
り、この第１被膜が（１１１）面に結晶配向されている
ことである。[0010] Of the coatings formed on the surface of the substrate, at least the first coating in contact with the surface of the substrate is at least one of the coatings of the periodic table.
a, a group 5a metal carbide, carbonate, nitride, nitride oxide and one of the mutual solid solutions of these B1 type compounds, and the first coating is crystallographically oriented on the (111) plane. It is.
【００１１】本発明の被覆超硬合金は、上述の基体の表
面に上述の第１被膜が形成された構成でなる場合、又は
この構成に、さらに第１被膜の表面に上述のＢ１型化合
物の被膜が１層以上被覆された構成でなる場合がある。
この内、後者の場合は、第１被膜の表面に被覆される第
２層以降の被膜が第１被膜と同様に（１１１）面に結晶
配向されている場合、又は第２層以降の被膜は、上述の
Ｂ１型化合物ではあるが従来の被膜からなる場合があ
る。[0011] The coated cemented carbide of the present invention has a structure in which the above-mentioned first coating is formed on the surface of the above-mentioned substrate, or in addition to this structure, the above-mentioned B1-type compound is further added to the surface of the first coating. In some cases, the film may have a configuration in which one or more layers are coated.
Among them, in the latter case, the second and subsequent layers coated on the surface of the first layer are crystal-oriented in the (111) plane similarly to the first layer, or the second and subsequent layers are Although it is the above-mentioned B1-type compound, it may be composed of a conventional coating.
【００１２】本発明の被覆超硬合金を作製するには、ま
ず基体を作製する必要があり、基体の作製は、具体的に
は、基体表面の炭化タングステンを（１００）面に結晶
配向させる場合は、例えば、炭化タングステンを含有し
た超硬合金の組成成分からなる出発原料中に周期律表の
４ａ，５ａ，６ａ族金属のホウ化物粉末、特に好ましく
はホウ化タングステンを微量混在させて、焼結工程時の
昇温及び冷却の温度と雰囲気の制御でもって作製するこ
とができる。また、基体表面の炭化タングステンを（０
０１）面に結晶配向させる場合は、具体的には、例えば
周期律表の４ａ，５ａ，６ａ族金属の炭化物（但し炭化
タングステンを除く）の１種以上に炭化タングステンが
１８００℃以上の高温で過飽和に固溶されてなる高温炭
化過飽和炭化タングステンの固溶体粉末を上述の出発原
料中に混在させることにより得ることができる。この基
体表面に存在する炭化タングステン量は、５０重量％以
上であることが好ましく、より好ましくは８０重量％以
上である。In order to produce the coated cemented carbide of the present invention, it is necessary to first produce a substrate. Specifically, the substrate is produced by crystallizing tungsten carbide on the substrate surface to the (100) plane. Is obtained by mixing a small amount of a boride powder of a metal of Group 4a, 5a, 6a of the periodic table, particularly preferably a small amount of tungsten boride, in a starting material composed of a cemented carbide containing tungsten carbide. It can be manufactured by controlling the temperature and atmosphere for temperature rise and cooling during the binding step. Further, the tungsten carbide on the substrate surface is changed to (0
When the crystal orientation is performed on the (01) plane, specifically, for example, tungsten carbide is added to one or more of carbides (excluding tungsten carbide) of metals belonging to groups 4a, 5a and 6a of the periodic table at a high temperature of 1800 ° C. or more. It can be obtained by mixing a solid solution powder of high-temperature super-saturated tungsten carbide solid-dissolved in supersaturation in the above-mentioned starting material. The amount of tungsten carbide present on the surface of the substrate is preferably at least 50% by weight, more preferably at least 80% by weight.
【００１３】このようにして得た炭化タングステンの結
晶配向されてなる基体の表面に（１１１）面に結晶配向
されてなるＢ１型化合物の第１被膜を被覆する場合は、
具体的には、例えば化学蒸着法（ＣＶＤ法）において
は、炭化物の第１被膜は、１００Ｔｏｒｒ以下の反応容
器内全ガス量に対するハゲロン化ガス量の比を０．１〜
０．２とし、窒化物の第１被膜は、１００Ｔｏｒｒ以下
の反応容器内全ガス量に対する窒素ガス及び／又はアン
モニアガス量の比を０．１〜０．２とし、炭酸化物の第
１被膜は、１００Ｔｏｒｒ以下の反応容器内全ガス量に
対するハゲロン化ガス及び酸化炭素ガスの合計の比を
０．１〜０．２とし、窒酸化物の第１被膜は、１００Ｔ
ｏｒｒ以下の反応容器内全ガス量に対する窒素ガス及び
／又はアンモニアガスと酸化炭素ガスとの合計の比を
０．１〜０．２とし、炭窒酸化物の第１被膜は、１００
Ｔｏｒｒ以下の反応容器内全ガス量に対するハゲロン化
ガスと窒素ガス及び／又はアンモニアガスと酸化炭素ガ
スとの合計の比を０．１〜０．２とすることにより得る
ことができる。In the case where the first film of the B1-type compound crystallized on the (111) plane is coated on the surface of the substrate obtained by crystallizing the tungsten carbide thus obtained,
Specifically, for example, in a chemical vapor deposition method (CVD method), the first coating of carbide has a ratio of the amount of the hageronized gas to the total amount of gas in the reaction vessel of 100 Torr or less of 0.1 to 0.1.
0.2, the first nitride film is a nitrogen gas and / or ammonia gas ratio of 0.1 to 0.2 with respect to the total gas amount in the reaction vessel of 100 Torr or less, and the first carbonate film is , The ratio of the total amount of the gaseous helonized gas and the carbon oxide gas to the total amount of gas in the reaction vessel of 100 Torr or less is 0.1 to 0.2, and the first coating of nitric oxide is 100 T
The ratio of the total of the nitrogen gas and / or the ammonia gas and the carbon oxide gas to the total amount of the gas in the reaction vessel of not more than orr is 0.1 to 0.2, and the first coating of carbonitride is 100
It can be obtained by setting the ratio of the total of the hagellonizing gas and the nitrogen gas and / or the ammonia gas and the carbon oxide gas to the total gas amount in the reaction vessel equal to or lower than Torr to 0.1 to 0.2.
【００１４】ここで述べてきた基体表面の炭化タングス
テン及び第１被膜の結晶面におけるＣｕ−ＫαХ線によ
る回折角２０°〜７０°（２θ）間のＸ線反射回折強度
比の８０％以上とは、具体的には、Ｃｕターゲット、Ｎ
ｉフィルターを用いたＸ線回折装置で、回折角（２θ）
２０°〜７０°間においてＣｕ−Ｋα線の全反射Ｘ線強
度カウント数の総和に対するそれぞれの結晶配向面のＸ
線反射強度カウント数の比が８０％以上からなることを
現わしている。The above-mentioned X-ray reflection diffraction intensity ratio of at least 20% to 70 ° (2θ) of the crystal plane of the tungsten carbide and the first coating on the substrate surface between the crystal planes of 20 ° to 70 ° (2θ) by the Cu-KαХ ray means 80% or more. Specifically, a Cu target, N
X-ray diffractometer using i-filter, diffraction angle (2θ)
X of each crystal orientation plane with respect to the total number of total reflection X-ray intensity counts of Cu-Kα rays between 20 ° and 70 °
This indicates that the ratio of the line reflection intensity count number is 80% or more.
【００１５】[0015]
【作用】本発明の被覆超硬合金における基体表面と第１
被膜は、相互に付着性を高める作用をしているもので、
具体的には、基体表面に存在する最稠密の（１００）面
及び／又は（００１）面の炭化タングステンと第１被膜
中に存在する最稠密の（１１１）面のＢ１型化合物とが
基体と第１被膜の界面において、結晶学的に最適に適合
し、その結果、相互の付着性を高める作用をしている。The substrate surface and the first surface of the coated cemented carbide of the present invention are
The coatings have the effect of increasing adhesion to each other,
Specifically, the densest (100) plane and / or (001) plane tungsten carbide present on the surface of the base and the densest (111) plane B1 type compound present in the first coating are formed on the base by At the interface of the first coating, it is optimally fitted crystallographically and, as a result, acts to enhance the mutual adhesion.
【００１６】[0016]
【実施例】市販されている各種の粉末と、２．５ｍｏｌ
％Ｗ2Ｂ5を固溶したＷＣ（以下、Ｂ・ＷＣと略記）と４
５ｗｔ％ＷＣ−２２ｗｔ％ＴｉＣ−３３ｗｔ％ＴａＣ組
成で作製した高温炭化過飽和固溶体（以下、ＷＴＴと略
記）を用いて、表１のように配合し、それぞれの配合粉
末にアセトンと超硬合金ボールを加えて混合粉砕及び乾
燥後、１ｔ／ｃｍ2の加圧力で成形体とし、表１に併記
した焼結条件でもって成形体を焼結して基体を作製し
た。こうして得たそれぞれの基体の硬さ、抗折強度を求
め、さらにＣｕターゲット，ＮｉフィルターによるＸ線
回折（２θ＝２０°〜７０°間）を行って、基体表面に
おけるＸ線反射回折強度比を求めて、その結果を表２に
記載した。Example: Various kinds of commercially available powders and 2.5 mol
% W 2 B 5 as a solid solution (hereinafter abbreviated as BWC) and 4
Using a high temperature carbonized supersaturated solid solution (hereinafter abbreviated as WTT) prepared with a composition of 5 wt% WC-22 wt% TiC-33 wt% TaC, blended as shown in Table 1, acetone and cemented carbide balls were added to each blended powder. In addition, after mixing and crushing and drying, a molded body was formed under a pressing force of 1 t / cm 2 , and the molded body was sintered under the sintering conditions shown in Table 1 to produce a substrate. The hardness and flexural strength of each of the substrates thus obtained were determined, and further, X-ray diffraction (2θ = 20 ° to 70 °) using a Cu target and a Ni filter was performed to obtain an X-ray reflection diffraction intensity ratio on the substrate surface. The results are shown in Table 2.
【００１７】[0017]
【表１】 [Table 1]
【００１８】[0018]
【表２】 表２に示した基体表面に表３に示した被覆処理条件でも
って第１被膜を形成した後、第１被膜の表面におけるＸ
線反射回折強度比を求めて、その結果を表３に併記し
た。[Table 2] After forming the first coating on the surface of the substrate shown in Table 2 under the coating conditions shown in Table 3, X on the surface of the first coating was
The line reflection diffraction intensity ratio was determined, and the results are shown in Table 3.
【００１９】[0019]
【表３】 表３に示したそれぞれの被覆超硬合金を用いて、被削
材：Ｓ４８Ｃ（ＨＢ２０８），切削速度：２５０ｍ／ｍ
ｉｎ，切込量１．５ｍｍ，送り：０．３ｍｍ／ｒｅｖ，
チップ形状：ＳＮＰ４３２，切削時間：５ｍｉｎによる
乾式旋削試験条件でもって切削試験を行い、その結果を
表４に示した。また、被削材：Ｓ５５Ｃ（１００×１５
０ｍｍ角材，ＨＢ２４０）切削速度：１５０ｍ／ｍｉ
ｎ，切込量：１．５ｍｍ，送り：０．２ｍｍ／刃（欠損
又はチッピングしないときは０．２５ｍｍ／刃増加し、
欠損又はチッピング時で寿命とした），チップ形状：Ｔ
ＮＰ４３２による乾式転削試験条件でもって切削試験を
行い、その結果を表４に併記した。[Table 3] Using each coated cemented carbide shown in Table 3, work material: S48C (HB208), cutting speed: 250 m / m
in, depth of cut 1.5 mm, feed: 0.3 mm / rev,
A cutting test was performed under dry turning test conditions with a tip shape of SNP432 and a cutting time of 5 min. The results are shown in Table 4. Work material: S55C (100 × 15
0mm square bar, HB240) Cutting speed: 150m / mi
n, depth of cut: 1.5 mm, feed: 0.2 mm / blade (increase 0.25 mm / blade when there is no chipping or chipping,
(The life was determined at the time of chipping or chipping), chip shape: T
The cutting test was performed under the dry rolling test conditions by NP432, and the results are shown in Table 4.
【００２０】[0020]
【表４】 [Table 4]
【００２１】[0021]
【発明の効果】本発明の被覆超硬合金は、基体と被膜と
の付着性に優れており、被膜の結晶を配向した従来の被
覆超硬合金に比べて、切削工具として用いた場合に耐摩
耗性において約５４〜８２％向上し、耐欠損性において
約１１０％も向上するという効果がある。The coated cemented carbide of the present invention has excellent adhesion between the substrate and the coating, and is more resistant to use when used as a cutting tool than a conventional coated cemented carbide in which the crystal of the coating is oriented. There is an effect that the abrasion is improved by about 54 to 82% and the fracture resistance is improved by about 110%.
Claims (3)
の１部又は全面に周期律表の４ａ，５ａ族金属の炭化
物，炭酸化物，窒化物，窒酸化物及びこれらの相互固溶
体の中の１種以上の単層もしくは多層の被膜を被覆して
なる被覆超硬合金において、 該基体の表面に存在する炭化タングステンは、Ｃｕ−Ｋ
αХ線による回折角２０°〜７０°（２θ）間のＸ線反
射回折強度比の８０％以上が（１００）面及び／又は
（００１）面からなり、該被膜は、該基体の表面に接す
る第１被膜がＢ１型化合物でなり、かつ該第１被膜のＢ
１型化合物は、Ｃｕ−ＫαХ線による回折角２０°〜７
０°（２θ）間のＸ線反射回折強度比の８０％以上が
（１１１）面でなることを特徴とする結晶配向の被覆超
硬合金。1. A tungsten carbide-based cemented carbide substrate having a part or the entire surface of a carbide, a carbonate, a nitride, a nitride oxide and a mutual solid solution of metals belonging to groups 4a and 5a of the periodic table. In a coated cemented carbide obtained by coating a single or multilayer coating of at least one kind, tungsten carbide present on the surface of the substrate is Cu-K
At least 80% of the X-ray reflection diffraction intensity ratio between the diffraction angles of 20 ° to 70 ° (2θ) by αХ rays is composed of the (100) plane and / or the (001) plane, and the coating is in contact with the surface of the substrate. A first coating comprising a B1-type compound, and
The type 1 compound has a diffraction angle of 20 ° to 7 due to Cu-KαХ ray.
A coated cemented carbide having a crystal orientation, wherein 80% or more of the X-ray reflection diffraction intensity ratio between 0 ° (2θ) is the (111) plane.
ステンが５０重量％以上存在していることを特徴とする
請求項１記載の結晶配向の被覆超硬合金。2. The coated cemented carbide according to claim 1, wherein the surface of the cemented carbide substrate contains 50% by weight or more of tungsten carbide.
炭化物，窒化物又は炭窒化物でなることを特徴とする請
求項１又は２記載の結晶配向の被覆超硬合金。3. The coated cemented carbide with a crystal orientation according to claim 1, wherein the B1 type compound of the first coating comprises a carbide, nitride or carbonitride of Ti.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11701492A JP3215492B2 (en) | 1992-04-09 | 1992-04-09 | Coated cemented carbide with crystal orientation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11701492A JP3215492B2 (en) | 1992-04-09 | 1992-04-09 | Coated cemented carbide with crystal orientation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05287322A JPH05287322A (en) | 1993-11-02 |
| JP3215492B2 true JP3215492B2 (en) | 2001-10-09 |
Family
ID=14701315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11701492A Expired - Fee Related JP3215492B2 (en) | 1992-04-09 | 1992-04-09 | Coated cemented carbide with crystal orientation |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3215492B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2018105403A1 (en) * | 2016-12-09 | 2019-10-24 | 住友電工ハードメタル株式会社 | Surface coated cutting tool |
-
1992
- 1992-04-09 JP JP11701492A patent/JP3215492B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH05287322A (en) | 1993-11-02 |
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