JPH025815B2 - - Google Patents
Info
- Publication number
- JPH025815B2 JPH025815B2 JP58007408A JP740883A JPH025815B2 JP H025815 B2 JPH025815 B2 JP H025815B2 JP 58007408 A JP58007408 A JP 58007408A JP 740883 A JP740883 A JP 740883A JP H025815 B2 JPH025815 B2 JP H025815B2
- Authority
- JP
- Japan
- Prior art keywords
- sprayed coating
- welding
- coating
- weight
- zirconia
- 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 - Lifetime
Links
- 238000000576 coating method Methods 0.000 claims description 41
- 239000011248 coating agent Substances 0.000 claims description 39
- 238000003466 welding Methods 0.000 claims description 31
- 239000000843 powder Substances 0.000 claims description 27
- 239000000463 material Substances 0.000 claims description 19
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 16
- 239000002131 composite material Substances 0.000 claims description 16
- 229910000623 nickel–chromium alloy Inorganic materials 0.000 claims description 10
- 230000002265 prevention Effects 0.000 claims description 9
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 8
- 238000005507 spraying Methods 0.000 claims description 8
- 239000011812 mixed powder Substances 0.000 claims description 6
- 229910052804 chromium Inorganic materials 0.000 claims description 5
- 239000011651 chromium Substances 0.000 claims description 5
- 239000006104 solid solution Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 12
- 229910052742 iron Inorganic materials 0.000 description 6
- 238000007747 plating Methods 0.000 description 6
- 238000007751 thermal spraying Methods 0.000 description 6
- 229910052721 tungsten Inorganic materials 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000003973 paint Substances 0.000 description 4
- 230000035939 shock Effects 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- RUDFQVOCFDJEEF-UHFFFAOYSA-N yttrium(III) oxide Inorganic materials [O-2].[O-2].[O-2].[Y+3].[Y+3] RUDFQVOCFDJEEF-UHFFFAOYSA-N 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- UOCLXMDMGBRAIB-UHFFFAOYSA-N 1,1,1-trichloroethane Chemical compound CC(Cl)(Cl)Cl UOCLXMDMGBRAIB-UHFFFAOYSA-N 0.000 description 1
- 229910000599 Cr alloy Inorganic materials 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
- 238000005422 blasting Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 239000000788 chromium alloy Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005238 degreasing Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000007750 plasma spraying Methods 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/224—Anti-weld compositions; Braze stop-off compositions
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Nonmetallic Welding Materials (AREA)
- Coating By Spraying Or Casting (AREA)
Description
本発明は、TIG溶接やMIG溶接に際して発生
する溶接スパツタが溶接トーチ周辺のワーク押え
治具等の部材に溶着するのを防止すべく該部材に
形成する溶接スパツタの付着防止皮膜の形成方法
に関する。
従来、鉄系材料で形成されるワーク押え治具へ
の溶接スパツタの溶着を防止すべく、該治具に、
アルミナ、水ガラス、溶剤を主成分とするスパツ
タ付着防止塗料を塗布して塗膜を形成し、或いは
スパツタに対する親和性の低いクロム鍍金の皮膜
を形成するようにしたものは知られるが、塗膜は
治具素材との密着力が低く、又高温のスパツタの
飛散付着による熱衝撃で熱劣化したり炭化して、
比較的短時間でその剥離を生じ、又クロム鍍金皮
膜は、使用初期にはスパツタの溶着防止に効果が
あるが、繰返しの使用によれば溶着防止効果が低
下してスパツタをヤスリで除去する必要があつて
作業が面倒であり、又このヤスリがけやスパツタ
の付着による熱衝撃で鍍金皮膜が次第に劣化して
その剥離を生じ、長時間の連続溶接作業には適さ
ない。
本発明は、かかる不都合を解消すべく、スパツ
タ溶着防止に最適なジルコニア・イツトリア複合
粉末による溶射皮膜を表層に有する素材に対する
耐剥離性に優れた溶接スパツタの付着防止皮膜の
形成方法を提供することをその目的とするもの
で、鉄系材料の素材の表面に、クロムを20〜50重
量％含有させたニツケル・クロム合金粉末を溶射
させて下地溶射皮膜を形成し、次いで該下地溶射
皮膜の表面に前記ニツケル・クロム合金粉末と、
イツトリアを10〜20重量％固溶させたジルコニ
ア・イツトリア複合粉末との40〜70重量％を配合
させた混合粉末を溶射させて中間溶射皮膜を形成
し、更に該中間溶射皮膜の表面に前記ジルコニ
ア・イツトリア複合粉末を溶射させて表層溶射皮
膜を形成したことを特徴とする。
次いで本発明を図面に基いて説明する。
第１図はオートバイの燃料タンク等を構成する
１対の鋼板Ｗ，ＷをMIG溶接するための装置を
示し、図中Ａは溶接トーチ、Ｂは該溶接トーチＡ
から導出させた溶接芯線であつて、該溶接トーチ
Ａの両側のワーク押え治具ＣによりバツクバーＤ
を有する受け治具Ｅ上に該両鋼板Ｗ，Ｗを挾圧固
定し、該両鋼板Ｗ，Ｗの接合部に該芯線Ｂを対向
させて、該部のMIG溶接を行うようにした。
この場合、該押え治具Ｃの内側面には溶接箇所
から飛散するスパツタが溶着し勝ちであり、そこ
で該内側面に本発明による溶接スパツタの付着防
止皮膜Ｆを形成する。
該皮膜Ｆの詳細は第２図に示す通りであり、鉄
系材料で構成される該押え治具Ｃの素材１の表面
に、ニツケル・クロム合金粉末による下地溶射皮
膜２と、ジルコニア・イツトリア複合粉末
（ZrO2・Y2O3）とニツケル・クロム合金粉末と
の混合粉末による中間溶射皮膜３と、ジルコニ
ア・イツトリア複合粉末による表層溶射皮膜４と
を３層に形成して成る。
ジルコニアはスパツタに対する親和性が極めて
小さく、その溶射皮膜でスパツタの溶着を効果的
に防止することが出来るが、熱衝撃に弱く2000〜
2500℃の高温のスパツタの飛散による熱衝撃でそ
の皮膜割れを生じ易い欠点がある。この場合、ジ
ルコニアにイツトリアを添加して固溶した複合粉
末を用いて溶射皮膜を形成すると、皮膜割れを効
果的に防止出来ることが確認されたが、イツトリ
アの添加量が10重量％以下ではその効果が少な
く、又20重量％以上では溶射皮膜のスパツタの親
和性が高くなつてスパツタ付着防止効果が暫時低
下する傾向を示すため、表層溶射皮膜４を形成す
るジルコニア・イツトリア複合粉末のイツトリア
の添加量は10〜20重量％とすることが好ましい。
ここで該複合粉末を素材１の表面に直接溶射し
て単層の溶射皮膜を形成することも考えられる
が、この溶射皮膜は鉄系材料に対する密着力が低
く、皮膜剥離を生じ易くなるため、本発明によれ
ば、鉄系材料に対する密着力の高い例えばニツケ
ルにクロムを20〜50重量％含有させたニツケル・
クロム合金粉末を素材１に溶射して上記の如く下
地溶射皮膜２を形成し、更に該下地溶射皮膜２と
ジルコニア・イツトリア複合粉末による表層溶射
皮膜４との熱膨張率の差異による該両皮膜２，４
間でのクラツクの発生を防止すべく、上記の如く
該両皮膜２，４の構成材料たるニツケル・クロム
合金粉末とジルコニア・イツトリア複合粉末との
混合粉末による中間溶射皮膜３を形成し、該表層
溶射皮膜４がこれら中間溶射皮膜３と下地溶射皮
膜２とを介して該素材１に強固に結合され、その
耐剥離性が向上されるようにした。
ここで該混合粉末は、イツトリアの添加量を10
〜20重量％としたジルコニア・イツトリア複合粉
末をニツケル・クロム合金粉末に40〜70重量％配
合したものとすることが好ましい。即ち、該複合
粉末の配合比率が40重量％以下では、表層溶射皮
膜３との間にクラツクを生じ易くなり、又これが
70重量％以上になると、下地溶射皮膜２との間に
クラツクを生じ易くなるためである。
実施例
鉄系材料で構成されるワーク押え治具の素材１
の表面をトリクロルエタンで脱脂処理し、次いで
該表面を梨地状の粗面にブラスト処理した後、該
表面にプラズマ溶射法により下表の条件で３層の
溶射皮膜２，３，４を形成した。ここで下地溶射
皮膜２の溶射材料には、クロムを50重量％含有す
るニツケル・クロム合金粉末を用い、又表層溶射
皮膜４の溶射材料には、ジルコニアに15重量％の
イツトリアを固溶したジルコニア・イツトリア複
合粉末を用い、中間溶射皮膜３の溶射材料には、
上記と同様のニツケル・クロム合金粉末に上記と
同様のジルコニア・イツトリア複合粉末を50重量
％配合した混合粉末を用いた。
The present invention relates to a method for forming a weld spatter adhesion prevention coating on a member such as a work holding jig in the vicinity of a welding torch in order to prevent weld spatter generated during TIG welding or MIG welding from adhering to the member such as a work holding jig. Conventionally, in order to prevent welding spatters from adhering to a workpiece holding jig made of iron-based materials, the jig was
It is known to form a coating film by applying a spatter adhesion prevention paint mainly composed of alumina, water glass, and solvent, or to form a chromium plating film that has a low affinity for spatters. has poor adhesion to the jig material, and is subject to thermal deterioration and carbonization due to thermal shock due to the adhesion of high-temperature spatter.
The chrome plating film peels off in a relatively short period of time, and although the chrome plating film is effective in preventing welding of spatters at the initial stage of use, repeated use reduces its effectiveness in preventing welding, and the spatters must be removed with a file. The work is troublesome because of the heat, and the plating film gradually deteriorates due to the sanding and the thermal shock caused by the adhesion of spatter, resulting in peeling, making it unsuitable for long-term continuous welding work. In order to eliminate such inconveniences, the present invention provides a method for forming a welding spatter adhesion prevention coating having excellent peeling resistance on a material having a thermally sprayed coating made of zirconia-yttoria composite powder on its surface, which is optimal for preventing spatter welding. The purpose is to thermally spray a nickel-chromium alloy powder containing 20 to 50% by weight of chromium onto the surface of an iron-based material to form a base sprayed coating, and then to coat the surface of the base sprayed coating. and the nickel-chromium alloy powder,
A mixed powder containing 40 to 70% by weight of zirconia and ittria composite powder containing 10 to 20% by weight of ittria as a solid solution is thermally sprayed to form an intermediate thermal sprayed coating, and the surface of the intermediate thermal sprayed coating is further coated with the zirconia.・Itstoria composite powder is thermally sprayed to form a surface thermal sprayed coating. Next, the present invention will be explained based on the drawings. Fig. 1 shows a device for MIG welding a pair of steel plates W, W constituting a fuel tank of a motorcycle, etc. In the figure, A is a welding torch, and B is a welding torch A.
The welding core wire derived from the welding torch A is
Both steel plates W and W were clamped and fixed on a receiving jig E having a structure, and the core wire B was opposed to the joint part of the two steel plates W and W, and MIG welding was performed at that part. In this case, spatters flying from the welding area tend to adhere to the inner surface of the presser jig C, so the welding spatter adhesion prevention coating F according to the present invention is formed on the inner surface. The details of the coating F are as shown in FIG. 2, and the surface of the material 1 of the holding jig C made of iron-based material is coated with a base sprayed coating 2 made of nickel-chromium alloy powder and a zirconia-yttria composite. It is formed in three layers: an intermediate sprayed coating 3 made of a mixed powder of powder (ZrO 2 .Y 2 O 3 ) and a nickel-chromium alloy powder, and a surface sprayed coating 4 made of a zirconia-ytria composite powder. Zirconia has extremely low affinity for spatter, and its thermal spray coating can effectively prevent spatter adhesion, but it is weak against thermal shock and
The disadvantage is that the film tends to crack due to thermal shock caused by flying spatter at a high temperature of 2500°C. In this case, it was confirmed that coating cracking can be effectively prevented by forming a thermally sprayed coating using a composite powder in which ittria is added to zirconia as a solid solution. However, if the amount of ittria added is less than 10% by weight, The addition of ittria in the zirconia-yttria composite powder that forms the surface sprayed coating 4 has little effect, and if it exceeds 20% by weight, the spatter adhesion prevention effect of the thermal sprayed coating increases and the spatter adhesion prevention effect tends to decrease for a while. Preferably, the amount is 10-20% by weight. Here, it is possible to directly spray the composite powder onto the surface of the material 1 to form a single-layer sprayed coating, but this sprayed coating has low adhesion to iron-based materials and is likely to peel off. According to the present invention, for example, nickel containing 20 to 50% by weight of chromium, which has high adhesion to iron-based materials, can be used.
Chromium alloy powder is thermally sprayed onto the material 1 to form the base thermal sprayed coating 2 as described above, and further, the base thermal sprayed coating 2 and the surface thermal sprayed coating 4 made of the zirconia-yttria composite powder have different coefficients of thermal expansion. ,4
In order to prevent the occurrence of cracks between the two coatings 2 and 4, an intermediate thermal spray coating 3 is formed using a mixed powder of nickel-chromium alloy powder and zirconia-ytria composite powder, which are the constituent materials of both coatings 2 and 4, as described above. The thermal sprayed coating 4 is firmly bonded to the material 1 via the intermediate thermal sprayed coating 3 and the base thermal sprayed coating 2, so that its peeling resistance is improved. Here, the amount of ittria added to the mixed powder is 10
It is preferable that the zirconia-yttoria composite powder is mixed in an amount of 40 to 70% by weight with the nickel-chromium alloy powder. That is, if the blending ratio of the composite powder is 40% by weight or less, cracks are likely to occur between the surface sprayed coating 3 and
This is because if it exceeds 70% by weight, cracks are likely to occur between the base thermal spray coating 2 and the base thermal spray coating 2. Example Material 1 of work holding jig made of iron-based material
After degreasing the surface with trichloroethane and then blasting the surface into a satin-like rough surface, three layers of thermal spray coatings 2, 3, and 4 were formed on the surface by plasma spraying under the conditions shown in the table below. . Here, the thermal spraying material for the base thermal spray coating 2 is a nickel-chromium alloy powder containing 50% by weight of chromium, and the thermal spraying material for the surface thermal spraying coating 4 is zirconia, which is a solid solution of 15% by weight of ittria in zirconia.・Using Ittria composite powder, the thermal spraying material for intermediate thermal spraying coating 3 is:
A mixed powder was used in which 50% by weight of the same zirconia-yttria composite powder as above was blended with the same nickel-chromium alloy powder as above.
【表】
尚、溶射完了後表層溶射皮膜４をダイヤモンド
砥石でラツピング仕上げする。
以上の如くして本発明皮膜を形成したワーク押
え治具と、無処理の押え治具、スパツタ付着防止
塗料を塗布した押え治具、及びクロム鍍金を施し
た押え治具とを用いて第１図に示す溶接装置によ
る溶接テストを行つたところ以下の結果が得られ
た。尚、溶接テストは、0.8φの溶接芯線を用い、
電流70A、電圧15〜16V、溶接スピード800mm／
分の条件で行つた。
(i) 無処理の押え治具
●スパツタが強固に溶着し、鋼板を５枚溶接する
毎にヤスリでスパツタを除去する必要がある。
●2000枚溶接で治具がスパツタ熱で変形するた
め、変形修正が必要となる。
●治具寿命は20万枚が限度。
(ii) 塗料を塗布した押え治具
●無処理の場合程にはスパツタが強固に溶着しな
いが、５枚溶接毎にスパツタをワイヤブラシで
清掃除去する必要がある。
●100枚溶接で塗膜が部分的に剥離し、修正が必
要となる。
●1000枚に１回程度塗膜の全面的な塗り直しが必
要となる。
●治具寿命は50万枚が限度。
(iii) クロム鍍金を施した押え治具
●５枚溶接毎にスパツタをワイヤブラシで清掃除
去する必要がある。
●100枚溶接でワイヤブラシでは取りきれないス
パツタをヤスリで除去する必要がある。
●2000枚溶接で鍍金皮膜の部分剥離を生ずる。
●治具寿命は50万枚が限度。
(v) 本発明皮膜を形成した押え治具
●スパツタの溶着が防止され、10枚溶接毎にエア
ブローを行うことで押え治具を使用初期の状態
に保てる。
●スパツタの溶着防止効果は半永久的に低下せ
ず、またその皮膜割れや剥離も生じない。
●治具寿命は150万枚以上に伸びる。
この様に本発明によるときは、溶接スパツタの
溶着を生じない耐剥離性に優れた皮膜を得られ、
これをワーク押え治具やカバー等の溶接トーチ周
辺の部材に形成することにより、スパツタ除去作
業を簡略化して溶接作業を長時間連続的に態率良
く行うことが出来、又溶接ラインの自動化も容易
となり、更にこれら部材の寿命も伸ばすことが出
来る効果を有する。[Table] After completion of thermal spraying, the surface thermal sprayed coating 4 is finished by lapping with a diamond grindstone. Using the workpiece holding jig on which the film of the present invention was formed as described above, an untreated holding jig, a holding jig coated with spatter adhesion prevention paint, and a holding jig coated with chrome plating, the first When welding tests were conducted using the welding equipment shown in the figure, the following results were obtained. In addition, the welding test used a 0.8φ welding core wire,
Current 70A, voltage 15~16V, welding speed 800mm/
I went under the following conditions. (i) Untreated presser jig ● Spatters are strongly welded, and it is necessary to remove them with a file every time 5 steel plates are welded. ●When welding 2000 pieces, the jig will be deformed by the spatter heat, so it will be necessary to correct the deformation. ●Jig life is limited to 200,000 sheets. (ii) Holder jig coated with paint - Although spatters do not adhere as firmly as when untreated, it is necessary to clean and remove spatters with a wire brush every 5 welds. ●After welding 100 sheets, the paint film partially peeled off and needed to be repaired. ●Complete repainting of the coating is required approximately once every 1000 sheets. ●Jig life is limited to 500,000 sheets. (iii) Chrome-plated holding jig ●Spatters must be cleaned and removed with a wire brush after every 5 welds. ●When welding 100 pieces, it is necessary to use a file to remove spatter that cannot be removed with a wire brush. ●Partial peeling of the plating film occurred after welding 2000 sheets. ●Jig life is limited to 500,000 sheets. (v) Presser jig coated with the film of the present invention ● Spatter adhesion is prevented, and air blowing is performed every 10 welds to maintain the presser jig in its initial state of use. ●The spatter adhesion prevention effect does not deteriorate semi-permanently, and the film does not crack or peel. ●Jig life extends to more than 1.5 million pieces. As described above, according to the present invention, a coating with excellent peeling resistance that does not cause weld spatter adhesion can be obtained,
By forming this on parts around the welding torch such as work holding jigs and covers, spatter removal work can be simplified and welding work can be performed continuously and efficiently for long periods of time, and it is also possible to automate the welding line. This has the effect of making it easier and further extending the life of these members.
第１図は本発明の使用例を示す溶接装置の截断
側面図、第２図はその要部の拡大截断側面図であ
る。
１……素材、２……下地溶射皮膜、３……中間
溶射皮膜、４……表層溶射皮膜。
FIG. 1 is a cutaway side view of a welding device showing an example of use of the present invention, and FIG. 2 is an enlarged cutaway side view of the main parts thereof. 1...Material, 2...Base sprayed coating, 3...Intermediate sprayed coating, 4...Surface sprayed coating.
Claims (1)
量％含有させたニツケル・クロム合金粉末を溶射
させて下地溶射皮膜を形成し、次いで該下地溶射
皮膜の表面に前記ニツケル・クロム合金粉末と、
イツトリアを10〜20重量％固溶させたジルコニ
ア・イツトリア複合粉末との40〜70重量％を配合
させた混合粉末を溶射させて中間溶射皮膜を形成
し、更に該中間溶射皮膜の表面に前記ジルコニ
ア・イツトリア複合粉末を溶射させて表層溶射皮
膜を形成したことを特徴とする溶接スパツタ付着
防止皮膜の形成方法。1. A base sprayed coating is formed by spraying a nickel-chromium alloy powder containing 20 to 50% by weight of chromium onto the surface of a ferrous material, and then the nickel-chromium alloy powder is applied to the surface of the base sprayed coating. and,
A mixed powder containing 40 to 70% by weight of zirconia and ittria composite powder containing 10 to 20% by weight of ittria as a solid solution is thermally sprayed to form an intermediate thermal sprayed coating, and the surface of the intermediate thermal sprayed coating is further coated with the zirconia. - A method for forming a welding spatter adhesion prevention film, characterized in that a surface sprayed film is formed by thermally spraying Ittria composite powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58007408A JPS59133991A (en) | 1983-01-21 | 1983-01-21 | Film for preventing sticking of welding spatter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58007408A JPS59133991A (en) | 1983-01-21 | 1983-01-21 | Film for preventing sticking of welding spatter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59133991A JPS59133991A (en) | 1984-08-01 |
| JPH025815B2 true JPH025815B2 (en) | 1990-02-06 |
Family
ID=11665038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58007408A Granted JPS59133991A (en) | 1983-01-21 | 1983-01-21 | Film for preventing sticking of welding spatter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59133991A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0530257Y2 (en) * | 1988-08-08 | 1993-08-03 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108098093B (en) * | 2017-12-01 | 2020-04-03 | 温州宏丰电工合金股份有限公司 | Flow resisting agent for stainless steel vacuum brazing |
| CN108044259B (en) * | 2017-12-01 | 2020-04-03 | 温州宏丰电工合金股份有限公司 | Preparation method of flow resisting agent for stainless steel vacuum brazing |
-
1983
- 1983-01-21 JP JP58007408A patent/JPS59133991A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0530257Y2 (en) * | 1988-08-08 | 1993-08-03 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59133991A (en) | 1984-08-01 |
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