JPS62199256A - Method of joining metal carbide and alloy - Google Patents
Method of joining metal carbide and alloyInfo
- Publication number
- JPS62199256A JPS62199256A JP4251786A JP4251786A JPS62199256A JP S62199256 A JPS62199256 A JP S62199256A JP 4251786 A JP4251786 A JP 4251786A JP 4251786 A JP4251786 A JP 4251786A JP S62199256 A JPS62199256 A JP S62199256A
- Authority
- JP
- Japan
- Prior art keywords
- metal carbide
- mold
- alloy
- carbide
- metal
- 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
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 47
- 239000002184 metal Substances 0.000 title claims abstract description 47
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 28
- 239000000956 alloy Substances 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims description 19
- 238000005304 joining Methods 0.000 title claims description 12
- 239000000843 powder Substances 0.000 claims abstract description 11
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 claims abstract description 11
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 8
- 239000011230 binding agent Substances 0.000 claims description 5
- 239000010941 cobalt Substances 0.000 claims description 4
- 229910017052 cobalt Inorganic materials 0.000 claims description 4
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 4
- 229910052759 nickel Inorganic materials 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 14
- 238000009792 diffusion process Methods 0.000 abstract description 4
- 230000005496 eutectics Effects 0.000 abstract description 4
- 238000005299 abrasion Methods 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 238000005245 sintering Methods 0.000 abstract description 2
- 239000010935 stainless steel Substances 0.000 abstract description 2
- 229910001220 stainless steel Inorganic materials 0.000 abstract description 2
- 239000010953 base metal Substances 0.000 description 5
- 238000005266 casting Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 150000001247 metal acetylides Chemical class 0.000 description 3
- 239000012298 atmosphere Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000012300 argon atmosphere Substances 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- UFGZSIPAQKLCGR-UHFFFAOYSA-N chromium carbide Chemical compound [Cr]#C[Cr]C#[Cr] UFGZSIPAQKLCGR-UHFFFAOYSA-N 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 238000001000 micrograph Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 238000007751 thermal spraying Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910003470 tongbaite Inorganic materials 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Powder Metallurgy (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の適用範囲）
この発明は耐摩耗性金属炭化物粉を合金表面に接合する
方法に係る。DETAILED DESCRIPTION OF THE INVENTION (Industrial Applicability) The present invention relates to a method of bonding wear-resistant metal carbide powder to an alloy surface.
（従来の技術と解決すべき問題点）
摩耗の激しい大型構造部材に耐摩耗性を持たせる方法と
して、従来は例えば鋳造または鍛造によって鉄鋼や構造
用合金等（以下合金と総称する）で構造体を製作し、摩
耗の激しい部分にはタングステン炭化物のタイル状の焼
結体をろう付けしていた。この方法による時はタイルに
亀裂が入り易く、タイルの大きさも３００ｘ３００ｘ３
ｍｍ７！ｌ＜限度と言われている。また耐摩耗材料を溶
射する方法があるが、厚さＱ、２＊ｍ以−Ｌは溶射困難
であり、或いは肉盛溶接する方法も実用化されているが
、耐摩耗性が溶接熱で低下し、また１０ｍｍ厚以−ｌ−
では亀裂が入り易いなどの問題がある。(Conventional technology and problems to be solved) Conventionally, as a method of imparting wear resistance to large structural members that are subject to severe wear, conventional methods have been to create structures using steel, structural alloys, etc. (hereinafter collectively referred to as alloys), for example by casting or forging. A tile-shaped sintered body of tungsten carbide was brazed to the areas of severe wear. When using this method, the tiles tend to crack and the size of the tiles is 300x300x3.
mm7! It is said that l<limit. There is also a method of thermal spraying a wear-resistant material, but it is difficult to thermally spray a thickness Q of 2*m or more, and a method of overlay welding has also been put into practical use, but the wear resistance decreases due to welding heat. Also, the thickness is 10mm or more.
However, there are problems such as easy cracking.
この発明は上記の如き問題点を解決する金属炭化物と合
金との接着方法を提供することをＬＩ的とする。The main purpose of this invention is to provide a method for adhering metal carbide and alloy, which solves the above-mentioned problems.
（問題点を解決するための手段）
この発明は、金属炭化物を合金表面に接合する方法にお
いて、金属炭化物を鋳型に入れ、合金の溶湯を注入して
凝固さセ、凝固した合金表面に金属炭化物層を両者の中
間組織によって接合することを特徴とする金属炭化物と
合金との接合方法に係る。(Means for Solving the Problems) The present invention is a method for joining a metal carbide to an alloy surface, in which the metal carbide is placed in a mold, molten alloy is injected and solidified, and the metal carbide is bonded to the solidified alloy surface. The present invention relates to a method of joining a metal carbide and an alloy, which is characterized in that the layers are joined by an intermediate structure between the two.
本発明では金属炭化物としてタングステン炭化物のほか
、クロム、モリブデン、タンタル、バナジウムやチタン
等の炭化物を用いる。必要に応じてこれに結合剤として
ニッケル、コバルト等の金属粉２〜２５％を混ぜ合わせ
るとよい。構造部Ｈの表面硬化の位置或いは耐摩耗材の
使用目的によって第１図に示すよらに鋳型１に炭化物粉
末２を入れて充填しておき加熱して予備焼結させた−に
に合金溶湯を注入し、或いは鋳型１の内面に炭化物の圧
粉体３または焼結体を組み込んでおいて合金溶湯を注入
し、或いはまた鋳型内面に圧粉体を組み込んで８００〜
１５００℃に予熱して予備焼結させておいて合金溶湯４
を注入する。In the present invention, in addition to tungsten carbide, carbides of chromium, molybdenum, tantalum, vanadium, titanium, etc. are used as the metal carbide. If necessary, 2 to 25% of metal powder such as nickel or cobalt may be mixed therein as a binder. Depending on the position of surface hardening of the structural part H or the purpose of use of the wear-resistant material, as shown in Fig. 1, a mold 1 is filled with carbide powder 2, heated and pre-sintered, and molten alloy is poured into the mold. Alternatively, a carbide powder body 3 or a sintered body may be incorporated into the inner surface of the mold 1, and molten alloy may be injected into the mold.
Preheat to 1500℃ and pre-sinter the molten alloy 4.
inject.
金属炭化物の圧粉体、焼結体或いは予備焼結体と合金の
溶湯との接触面では炭化物と合金溶湯成分とが拡散しあ
って金属学的に両者の中間組織、例えば共晶等が形成さ
れ、境界部はこれらの相が次第に変化した連続Ｍｉ織と
なるので、合金溶湯の凝固した母材と金属炭化物層とは
強固に接着されることになる。At the contact surface between the metal carbide green compact, sintered compact, or pre-sintered compact and the molten alloy, the carbide and the molten alloy components diffuse into each other, forming a metallurgically intermediate structure between the two, such as eutectic. Since the boundary portion becomes a continuous Mi weave in which these phases gradually change, the solidified base material of the molten alloy and the metal carbide layer are firmly adhered.
中間組織としては共晶または固溶体が好ましく、金属化
合物は境界が不連続になりがちなので不適当である。As the intermediate structure, a eutectic or a solid solution is preferable, and a metal compound is unsuitable because the boundary tends to be discontinuous.
母材表面の金属炭化物層は母材溶湯の熱量にもよるが１
〜２０■ｌが適当であり、１龍以下では耐摩耗性が充分
でないことから好ましくなく、一方２０龍以上にしても
耐摩耗性に変わりはなく、コストが増すだけであるから
２０ｍｍを限度とするのが良い。The metal carbide layer on the surface of the base metal depends on the heat content of the molten base metal, but 1
~20μl is appropriate; if it is less than 1 dragon, it is not preferable because the abrasion resistance is not sufficient.On the other hand, if it is more than 20 dragons, the wear resistance will not change and the cost will only increase, so 20mm is the limit. It's good to do that.
また使用する金属炭化物の粉末は１０μｍ以下のサイズ
のものが適当であり、これより大きくなると耐摩耗性が
低下するので好ましくない。Further, the metal carbide powder used is suitably one with a size of 10 μm or less, and if the size is larger than this, the wear resistance decreases, so it is not preferable.
タングステン炭化物焼結体の機械的特性例えば靭性、強
度、硬度等を改善するためバインダとしてニッケル、コ
バルトの一方または両者を混ぜ合わせるとよく、その量
は約２〜２５％が適当であり、２％以下では靭性が低下
し、一方２５％以上では耐摩耗性が低下するので好まし
くない。タングステン炭化物以外の炭化物の場合でもニ
ッケルまたはコバルトをバインダとして用いることがで
きる。In order to improve the mechanical properties of the tungsten carbide sintered body, such as toughness, strength, hardness, etc., it is preferable to mix one or both of nickel and cobalt as a binder, and the appropriate amount is about 2 to 25%, and 2% If it is less than 25%, the toughness decreases, while if it exceeds 25%, the wear resistance decreases, which is not preferable. Even in the case of carbides other than tungsten carbide, nickel or cobalt can be used as a binder.
溶湯を注入する時の雰囲気は、タングステン炭化物のよ
うに酸化し易い炭化物の場合には真空中またはアルゴン
雰囲気中で行う必要があるが、クロム炭化物のように酸
化しがたい炭化物粉の場合には大気中で注入しても差支
えない。The atmosphere when pouring molten metal should be in a vacuum or argon atmosphere in the case of carbides that are easily oxidized such as tungsten carbide, but in the case of carbide powder that is difficult to oxidize such as chromium carbide. It can be injected in the atmosphere.
（実施例）
タングステン炭化物粉（標準大きさ３μｍ）を第１図に
示すように鋳物砂製の内径６０ｍ■、厚さ５ｍｍの円筒
状の鋳型１内に１０１１厚に入れて軽く層状につきかた
め、電気炉中で加熱して１１００℃に２０分保持して予
備焼結したのち、１５００℃のステンレスＳ＋溶湯を焼
結体の上に約８０鰭の高さに注入した。(Example) Tungsten carbide powder (standard size 3 μm) was placed in a cylindrical mold 1 made of foundry sand with an inner diameter of 60 m and a thickness of 5 mm, as shown in Figure 1, and was lightly hardened into a layer. After pre-sintering by heating in an electric furnace and holding at 1100°C for 20 minutes, molten stainless steel S+ at 1500°C was injected onto the sintered body to a height of about 80 fins.
これを常温まで冷却したのち鋳型から取出し、炭化物層
と母材との接合部の縦断面の顕微鏡組織を調べた結果が
第３図に示しである。After cooling it to room temperature, it was taken out from the mold and the microscopic structure of the longitudinal section of the joint between the carbide layer and the base metal was examined, and the results are shown in FIG.
図によれば溶湯の凝固した母材（Ｈｙ１５０〜２５０）
とタングステン炭化物焼結層との間には（母材＋ＷＣ）
の共晶層（Ｈｖ約５００）が存在し、続いてＷＣ焼結体
中へ母材成分が拡散した組織の層（Ｈｖ ７５０〜１０
００）があり、その外側にＷＣ焼結体の硬度の高い層（
Ｈｖ１０００〜１５００）が存在しており、母材とＷＣ
焼結体とが中間相によって強固に接合されていることが
判る。従来のろう付けでは母材とＷＣ焼結体との間が不
連続組織となり、かつ多くの場合母材または焼結体はろ
うで完全には濡れないのに対し、本発明の方法では両者
の中間の金属組織は連続した中間組織となっているので
、接合部の信頬性が高いことが判る。According to the figure, the base material is solidified molten metal (Hy150-250)
and the tungsten carbide sintered layer (base material + WC)
There is a eutectic layer (Hv about 500), followed by a layer of structure in which base material components are diffused into the WC sintered body (Hv 750-10).
00), and a hard layer of WC sintered body (
Hv1000-1500) exists, and the base material and WC
It can be seen that the sintered body is firmly joined by the intermediate phase. In conventional brazing, there is a discontinuous structure between the base material and the WC sintered body, and in many cases, the base material or the sintered body is not completely wetted with the solder. Since the intermediate metal structure is a continuous intermediate structure, it can be seen that the reliability of the joint is high.
（効果）
以上説明したように本願発明では耐摩耗性の大きな金属
炭化物の粉末またはタイル状に成形した圧粉体または焼
結体を鋳型内面におき、鋳型を余熱または加熱しておい
て、これに合金溶湯を注入することによって母材すなわ
ち鋳造品の所望の表面に耐摩耗性の大きな層を接合する
ことができる。(Effects) As explained above, in the present invention, metal carbide powder with high wear resistance or a green compact or sintered body formed into a tile shape is placed on the inner surface of the mold, the mold is preheated or heated, and A highly wear-resistant layer can be bonded to the desired surface of the base metal or casting by injecting a molten alloy into the base metal or casting.
その接合部に於いては母材と耐摩耗性金属炭化物との間
に両者の中間組織、拡散組織が形成され、金属組織的に
連続して変化した組織となるので接合が強固に行われる
。At the joint, an intermediate structure and a diffusion structure are formed between the base material and the wear-resistant metal carbide, resulting in a structure that changes continuously in terms of metallographic structure, so that the bond is strong.
また溶湯の有する熱量を利用して鋳造と同時に耐摩耗性
金属炭化物層の焼結、中間金属組織および拡散組織の形
成を行うことができるので実用上きわめて有利である。Moreover, it is extremely advantageous in practice because it is possible to sinter the wear-resistant metal carbide layer and form the intermediate metal structure and the diffusion structure at the same time as casting by utilizing the heat contained in the molten metal.
第１図は本発明の方法の実施態様を示す縦断面図、第２
図は同しく他の実施態様を示す縦断面図、第３図は本発
明の方法による接合部の金属組織の１例を示す顕微鏡写
真（５０倍）である。
１・・・鋳型、２・・・金属炭化物充填材、３・・・金
属炭化物圧粉体、４・・・溶湯FIG. 1 is a longitudinal cross-sectional view showing an embodiment of the method of the present invention, and FIG.
The figure is a longitudinal cross-sectional view showing another embodiment, and FIG. 3 is a micrograph (50x magnification) showing an example of the metal structure of a joint made by the method of the present invention. 1... Mold, 2... Metal carbide filler, 3... Metal carbide compact, 4... Molten metal
Claims (1)
属炭化物を鋳型に入れ、合金の溶湯を注入して凝固させ
、凝固した合金表面に金属炭化物層を両者の中間組織に
よって接合することを特徴とする金属炭化物と合金との
接合方法。 ２、金属炭化物がタングステン炭化物である特許請求の
範囲第１項記載の金属炭化物と合金との接合方法。 ３、金属炭化物がバインダとしてニッケルまたはコバル
トを含むタングステン炭化物である特許請求の範囲第１
項記載の金属炭化物と合金との接合方法。 ４、液体粘結剤によって金属炭化物が鋳型壁面に塗布さ
れた鋳型である特許請求の範囲第１項記載の金属炭化物
と合金との接合方法。 ５、金属炭化物粉を鋳型壁面または底面に充填しておい
て合金溶湯を注入する特許請求の範囲第１項、第２項又
は第３項記載の金属炭化物と合金との接合方法。 ６、金属炭化物が圧粉体である特許請求の範囲第１項、
第２項又は第３項記載の金属炭化物と合金との接合方法
。 ７、金属炭化物が粉末焼結体である特許請求の範囲第１
項、第２項又は第３項記載の金属炭化物と合金との接合
方法。[Claims] 1. In a method of joining metal carbide to an alloy surface, metal carbide is placed in a mold, molten alloy is poured into the mold and solidified, and a metal carbide layer is formed on the solidified alloy surface by an intermediate structure between the two. A method for joining a metal carbide and an alloy, characterized by joining. 2. The method of joining a metal carbide and an alloy according to claim 1, wherein the metal carbide is tungsten carbide. 3. Claim 1, wherein the metal carbide is a tungsten carbide containing nickel or cobalt as a binder.
A method for joining a metal carbide and an alloy as described in Section 1. 4. The method of joining a metal carbide and an alloy according to claim 1, wherein the mold is a mold in which the metal carbide is coated on the wall surface of the mold with a liquid binder. 5. A method for joining a metal carbide and an alloy according to claim 1, 2 or 3, wherein the metal carbide powder is filled into the wall or bottom of the mold and the molten alloy is poured into the mold. 6. Claim 1, wherein the metal carbide is a green compact;
A method for joining a metal carbide and an alloy according to item 2 or 3. 7. Claim 1 in which the metal carbide is a powder sintered body
A method for joining a metal carbide and an alloy according to item 1, 2 or 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4251786A JPS62199256A (en) | 1986-02-27 | 1986-02-27 | Method of joining metal carbide and alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4251786A JPS62199256A (en) | 1986-02-27 | 1986-02-27 | Method of joining metal carbide and alloy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62199256A true JPS62199256A (en) | 1987-09-02 |
Family
ID=12638267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4251786A Pending JPS62199256A (en) | 1986-02-27 | 1986-02-27 | Method of joining metal carbide and alloy |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62199256A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01287242A (en) * | 1988-05-11 | 1989-11-17 | Hitachi Ltd | Surface modified parts and their manufacturing method |
| US5267600A (en) * | 1992-01-21 | 1993-12-07 | Deere & Company | Hard facing casting surfaces with wear-resistant sheets |
| US5299620A (en) * | 1992-01-21 | 1994-04-05 | Deere & Company | Metal casting surface modification by powder impregnation |
| CN103003010A (en) * | 2010-05-20 | 2013-03-27 | 贝克休斯公司 | Methods of forming at least a portion of earth-boring tools, and articles formed by such methods |
| US9790745B2 (en) | 2010-05-20 | 2017-10-17 | Baker Hughes Incorporated | Earth-boring tools comprising eutectic or near-eutectic compositions |
| US10167673B2 (en) | 2004-04-28 | 2019-01-01 | Baker Hughes Incorporated | Earth-boring tools and methods of forming tools including hard particles in a binder |
-
1986
- 1986-02-27 JP JP4251786A patent/JPS62199256A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01287242A (en) * | 1988-05-11 | 1989-11-17 | Hitachi Ltd | Surface modified parts and their manufacturing method |
| US5267600A (en) * | 1992-01-21 | 1993-12-07 | Deere & Company | Hard facing casting surfaces with wear-resistant sheets |
| US5299620A (en) * | 1992-01-21 | 1994-04-05 | Deere & Company | Metal casting surface modification by powder impregnation |
| US5443916A (en) * | 1992-01-21 | 1995-08-22 | Deere & Company | Hard facing casting surfaces with wear-resistant sheets |
| US10167673B2 (en) | 2004-04-28 | 2019-01-01 | Baker Hughes Incorporated | Earth-boring tools and methods of forming tools including hard particles in a binder |
| CN103003010A (en) * | 2010-05-20 | 2013-03-27 | 贝克休斯公司 | Methods of forming at least a portion of earth-boring tools, and articles formed by such methods |
| US9687963B2 (en) | 2010-05-20 | 2017-06-27 | Baker Hughes Incorporated | Articles comprising metal, hard material, and an inoculant |
| US9790745B2 (en) | 2010-05-20 | 2017-10-17 | Baker Hughes Incorporated | Earth-boring tools comprising eutectic or near-eutectic compositions |
| US10603765B2 (en) | 2010-05-20 | 2020-03-31 | Baker Hughes, a GE company, LLC. | Articles comprising metal, hard material, and an inoculant, and related methods |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI252787B (en) | Powder metal scrolls | |
| JP2004527659A5 (en) | ||
| JPS62199256A (en) | Method of joining metal carbide and alloy | |
| AU2008202166B2 (en) | Formation of scroll components | |
| JPS6119705A (en) | Formation of hard metal layer onto surface of metal | |
| JPS62188707A (en) | Hard facing method for integrally forming sintered hard layer on surface of ferrous metallic sheet | |
| RU2279946C2 (en) | Method of manufacture of hard-carbide-tipped tools | |
| JP2003225755A (en) | Casting surface modification method | |
| JP3023493B2 (en) | Casting joining method | |
| JP4443790B2 (en) | Method for producing metal / intermetallic compound and metal / ceramic composite hollow tube | |
| JP2000317616A (en) | Manufacturing method of wear-resistant clad plate | |
| JP4790742B2 (en) | Solder iron tip and method for manufacturing the same | |
| JPS608282B2 (en) | How to line high carbon iron-based materials with copper alloys | |
| JPH10330171A (en) | Brazing material for brazing a material having poor wettability and a method of manufacturing the same | |
| JPH10147853A (en) | Method for densifying thermally sprayed metallic film | |
| JP2022139734A5 (en) | ||
| JP2022139734A (en) | Compound sintered compact and manufacturing method thereof and joint material | |
| JPH06190537A (en) | Casting surface modification method | |
| JPS61221343A (en) | Ceramic-metal composite body and its production | |
| JP2001314958A (en) | Metallic liquid supplying body | |
| JPS63219599A (en) | Formation of cermet layer on surface of member | |
| JP2003096507A (en) | Method of producing sintered member, and sintered member |