JPH02280969A - Method for welding titanium plate to titanium clad steel plate - Google Patents
Method for welding titanium plate to titanium clad steel plateInfo
- Publication number
- JPH02280969A JPH02280969A JP10217489A JP10217489A JPH02280969A JP H02280969 A JPH02280969 A JP H02280969A JP 10217489 A JP10217489 A JP 10217489A JP 10217489 A JP10217489 A JP 10217489A JP H02280969 A JPH02280969 A JP H02280969A
- Authority
- JP
- Japan
- Prior art keywords
- titanium
- plate
- clad steel
- joint
- welding
- 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
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 83
- 239000010959 steel Substances 0.000 title claims abstract description 83
- 238000003466 welding Methods 0.000 title claims abstract description 31
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 title claims description 152
- 239000010936 titanium Substances 0.000 title claims description 147
- 229910052719 titanium Inorganic materials 0.000 title claims description 143
- 238000000034 method Methods 0.000 title claims description 16
- 239000000463 material Substances 0.000 claims abstract description 50
- 238000005253 cladding Methods 0.000 claims abstract description 11
- 230000013011 mating Effects 0.000 claims description 13
- 229910000756 V alloy Inorganic materials 0.000 claims description 6
- 229910000975 Carbon steel Inorganic materials 0.000 abstract description 20
- 239000010962 carbon steel Substances 0.000 abstract description 20
- 239000010953 base metal Substances 0.000 abstract description 7
- 238000005304 joining Methods 0.000 abstract description 4
- 210000001503 joint Anatomy 0.000 description 10
- 238000007796 conventional method Methods 0.000 description 5
- 229910001200 Ferrotitanium Inorganic materials 0.000 description 4
- 150000003608 titanium Chemical class 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
Landscapes
- Arc Welding In General (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
この発明はチタン板とチタンクラッド鋼板の突合せ溶接
に係り、強度的にすぐれた溶接継手が得られる溶接方法
に関する。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application This invention relates to butt welding of a titanium plate and a titanium clad steel plate, and relates to a welding method that provides a welded joint with excellent strength.
従来の技術
チタン板やチタンクラッド鋼板はチタンの有する高耐食
性からその需要が伸びている。周知のとおり、チタンは
極めて活性な金属で、大気と反応して脆化する性質を有
するため、例えば鋼との溶融溶接を行なうことは不可能
である。BACKGROUND OF THE INVENTION Demand for titanium plates and titanium clad steel plates is increasing due to the high corrosion resistance of titanium. As is well known, titanium is an extremely active metal that reacts with the atmosphere and becomes brittle, making it impossible to fusion weld it with, for example, steel.
したがって、チタンクラッド鋼板の溶接においては、日
本溶接協会規格ＷＥＳ７６０２−１９８６ ｒチタンク
ラッド鋼のイナートガスアーク溶接およびチタンライニ
ング作業標準」に示されるように、チタン側と母材側を
別々に溶接し、チタンと母材鋼を直接溶融させずに行な
う特殊な突合ぜ形状が採用されている。Therefore, when welding titanium clad steel plates, the titanium side and the base metal side are welded separately, and the titanium A special butt shape is adopted that does not involve directly melting the base steel.
しかし、チタンクラッド鋼板どうしの突合せ溶接は上記
の方法で実用可能であるも、チタン板とチタンクラッド
鋼板を突合せ溶接する方法については、上記日本溶接協
会規格に第３図（Ａ）（Ｂ）に示すような角継手の例が
記載されているのみである。However, although it is possible to butt weld titanium clad steel plates together using the above method, the method for butt welding titanium plates and titanium clad steel plates is described in the above-mentioned Japan Welding Association standards as shown in Figures 3 (A) and (B). Only examples of corner joints as shown are described.
この溶接方法は、母材鋼（１−１）に合せ材としてチタ
ン（１−２）を接合させたチタンクラッド鋼板（１）と
チタン板（２）を直角に接合する場合、チタン（１−２
）とチタン板（２）のみを溶接する方法である。This welding method is used when joining titanium clad steel plate (1), which is made by joining titanium (1-2) as a mating material to base steel (1-1), and titanium plate (2) at right angles. 2
) and the titanium plate (2) are welded together.
したがって、この方法でチタン板とチタンクラッド鋼板
を突合せ溶接する場合は、第４図に示すごとく、チタン
クラッド鋼板（１）とチタン板（２）を突合せた状態で
チタン合せ材（１−２）とチタン板（２）のみを溶接す
ることになる。Therefore, when butt welding a titanium plate and a titanium clad steel plate using this method, as shown in Fig. 4, the titanium clad steel plate (1) and the titanium plate (2) are butted together, and then the titanium welding material (1-2) is welded. Only the titanium plate (2) will be welded.
発明が解決しようとする課題
従来のチタンクラッド鋼板とチタン板の突合せ溶接は上
記のごとく、チタンどうしのみの溶接しか行なわれない
ため、母材鋼部は未溶接の状態のままであり、溶接継手
の強度が不足する。Problems to be Solved by the Invention As mentioned above, in conventional butt welding of titanium clad steel plates and titanium plates, only the titanium is welded together, so the base steel remains unwelded and the welded joint strength is insufficient.
したがって、従来は構造物としてこのような突合せ溶接
継手は実用されていないのが現状である。Therefore, at present, such butt welded joints have not been put to practical use in structures.
この発明は従来のこのような実情に鑑みなされたもので
あり、チタンクラッド鋼板とチタン板を実用可能な強度
を有する突合せ継手により突合せ溶接し得る方法を提案
しようとするものである。This invention was made in view of the above-mentioned conventional circumstances, and aims to propose a method for butt welding a titanium clad steel plate and a titanium plate using a butt joint having a practical strength.
課題を解決するための手段
この発明はチタンクラッド鋼板とチタン板とを突合せ溶
接するに際し、チタン板とチタンクラッド鋼板との間に
、該チタンクラッド鋼板と同材質または、重量％で２０
〜５０％の■を含んだＦｅ−Ｖ合金インサートをチタン
と鋼母材間に挿入して製造したチタンクラッド鋼製継手
を、該継手の合せ材がチタン板側に、同炭素鋼母材がチ
タンクラッド鋼板側にそれぞれ相対向するごとく配置し
、該継手の両側に開先を設けて溶接することを要旨とす
るものである。Means for Solving the Problems In the present invention, when butt welding a titanium clad steel plate and a titanium plate, the same material as the titanium clad steel plate or 20% by weight is used between the titanium plate and the titanium clad steel plate.
A titanium clad steel joint is manufactured by inserting an Fe-V alloy insert containing ~50% ■ between titanium and the steel base metal, with the mating material on the titanium plate side and the carbon steel base metal on the The gist is to arrange the joints so as to face each other on the titanium clad steel plate side, and to provide grooves on both sides of the joint for welding.
すなわち、この発明はチタンクラッドｍ製継手を用いる
ことにより、チタンはチタンどうし、炭素鋼は炭素鋼ど
うしの溶接を可能ならしめて、十分な強度の溶接継手を
得る方法である。That is, the present invention is a method of making it possible to weld titanium to titanium and carbon steel to carbon steel by using a titanium clad joint, thereby obtaining a welded joint with sufficient strength.
作 用
チタンとチタンクラッド鋼板の突合せ部に用いるチタン
クラッド！１８製継手は、チタンクラッド鋼板より切断
採取してつくるか、もしくは新たに爆着法あるいは圧延
法等により製作して用いる。Function Titanium cladding is used for the butt part of titanium and titanium clad steel plates! 18 joints are made by cutting and collecting titanium clad steel plates, or are newly manufactured by an explosion bonding method, rolling method, etc.
チタンクラッド鋼製継手は被溶接材のチタンクラッド鋼
板と同材質でもよいが、ｆｆｌｉ％で２０〜５０％の■
を含んだＦａ−Ｖ合金インサートをチタンと鋼母材間に
挿入して製造した継手の方がさらに良好な特性の得られ
ることを見い出した。The titanium clad steel joint may be made of the same material as the titanium clad steel plate to be welded, but the ffli% is 20 to 50%.
It has been found that a joint manufactured by inserting an Fa-V alloy insert containing .
すなわち、継手のチタンと鋼母材間にインサートがない
場合、溶接の熱により界面にＴＬＣが析出し強度が劣化
することがある。That is, if there is no insert between the titanium and steel base metal of the joint, TLC may precipitate at the interface due to the heat of welding and the strength may deteriorate.
これに対し、Ｆｅ−Ｖ合金インサートを使用すれば、Ｔ
ｉｃの析出がおさえされ、溶接の影響を防ぐことができ
る。Ｆｅ−Ｖ合金インサートのＶ量は２０％未満では効
果が小さく、５０％を超えると硬化し圧延が困難となる
ため２０〜５０％が好ましい。On the other hand, if Fe-V alloy inserts are used, T
Precipitation of IC is suppressed, and the influence of welding can be prevented. If the V content of the Fe-V alloy insert is less than 20%, the effect will be small, and if it exceeds 50%, it will harden and become difficult to roll, so it is preferably 20 to 50%.
このチタンクラッド鋼製継手のチタン合せ材の幅は接合
するチタン板の厚みと同一厚みとし、同母材鋼の幅はチ
タンクラッド鋼板の母材炭素鋼の厚みと同一する。この
チタンクラッドｍ製継手（３）の厚みは特に限定するも
のではないが、継手内界面の溶接時の熱影響を考慮して
母材鋼部およびチタン合せ材部共に１０ｎｖｎ以上・と
するのが望ましい。The width of the titanium mating material of this titanium clad steel joint is the same as the thickness of the titanium plates to be joined, and the width of the base steel is the same as the thickness of the carbon steel base material of the titanium clad steel plate. The thickness of this titanium clad M joint (3) is not particularly limited, but considering the thermal influence during welding at the interface within the joint, it is recommended that both the base steel part and the titanium mating part be 10 nvn or more. desirable.
このチタンクラッド鋼製継手を用いてチタン板とチタン
クラッド鋼板を溶接する際は、チタン板とチタンクラッ
ド鋼板の各接合端面に溶接用開先を形成し、チタンどう
し、炭素鋼どうしをそれぞれ溶接する。When welding a titanium plate and a titanium clad steel plate using this titanium clad steel joint, weld grooves are formed on each joining end surface of the titanium plate and titanium clad steel plate, and weld titanium to titanium and carbon steel to each other. .
チタンクラッド鋼製継手を用いることにより、チタンど
うし、母材炭素鋼どうしを溶接することができるので、
強度の高い溶接継手が得られる。By using titanium clad steel joints, titanium and base material carbon steel can be welded together.
A welded joint with high strength can be obtained.
第１図はこの発明の一実施例を示す縦断面図であり、（
３）は炭素１ｉｌＩｆｆｉ材（３−２）とチタン合せ材
（３−１＞からなるクラツド鋼製継手である。FIG. 1 is a longitudinal cross-sectional view showing one embodiment of the present invention;
3) is a clad steel joint made of carbon 1ilIffi material (3-2) and titanium composite material (3-1>).
すなわち、チタンクラッド鋼板（１）とチタン板（２）
を突合せ溶接する際は、固接合端面に開先を設ける。そ
の場合、チタン板（２）の方には上下面に開先（５）を
設け、チタンクラッド鋼板（１）の方にはチタン合せ材
（１−２）を部分的に削除し、炭素鋼母材（１−１）に
開先（６）を設ける。That is, titanium clad steel plate (1) and titanium plate (2)
When butt welding, provide a groove on the end surface of the solid joint. In that case, grooves (5) are provided on the upper and lower surfaces of the titanium plate (2), the titanium cladding material (1-2) is partially removed from the titanium clad steel plate (1), and the carbon steel A groove (6) is provided in the base material (1-1).
また、チタンクラッド＆ｌ１ｌｌ製継手（３）の炭素鋼
母材（３−１）の方も、チタンクラッド鋼板（１）のチ
タン合せ材（１−２）の厚みに相当する部分を削除して
チタン合せ材を露出させ、チタンクラッド鋼板（１）の
チタン合せ材（１−２）とチタンクラッド鋼製継手（３
）のチタン合せ材（３−２）との間にチタンインサート
材（４）を挿入してチタンどうしを溶接できるように工
夫する。チタンインサート材（４）の幅は特に限定され
ないが、作業性やコストを考慮すると２０〜４０ｍｍ程
度が好ましい。In addition, the carbon steel base material (3-1) of the titanium clad & l1ll joint (3) is also made of titanium by removing the portion corresponding to the thickness of the titanium mating material (1-2) of the titanium clad steel plate (1). Exposing the cladding material, connect the titanium cladding material (1-2) of the titanium clad steel plate (1) and the titanium cladding steel joint (3).
), a titanium insert material (4) is inserted between the titanium mating material (3-2) and the titanium parts are welded together. The width of the titanium insert material (4) is not particularly limited, but in consideration of workability and cost, it is preferably about 20 to 40 mm.
上記チタンクラッド鋼板（１）とチタン板（２）を突合
せ溶接する際は、両接合端面間にチタンクラッド鋼製継
手（３）を配置させる。その場合、該継手のチタン合せ
材（３−２）がチタン板（２）側に、同炭素鋼母材（３
−１）がチタンクラッド鋼板（１）側になるように介在
させる。When butt welding the titanium clad steel plate (1) and the titanium plate (2), a titanium clad steel joint (3) is placed between the two joint end faces. In that case, the titanium mating material (3-2) of the joint is placed on the titanium plate (2) side, and the carbon steel base material (3-2) is placed on the titanium plate (2) side.
-1) is interposed so that it is on the titanium clad steel plate (1) side.
この状態でチタンクラッド鋼板（１）の炭素鋼母材（ｉ
−ｉ）とチタンクラッド鋼製継手（３）の炭素鋼母材（
３−１）とを、チタン板（２）と継手のチタン合せ材（
３−２）とをそれぞれ溶接する。しかる後、チタンクラ
ッド鋼板（１）のチタン合せ材（１−２）とチタンクラ
ッド鋼製継手（３）のチタン合せ材（３−２）との間に
チタンインサート材（４）を挿入し、チタンどうしを溶
接する。In this state, the carbon steel base material (i
-i) and the carbon steel base material of titanium clad steel joint (3) (
3-1) and the titanium plate (2) and the titanium cladding material of the joint (
3-2) and are welded respectively. After that, a titanium insert material (4) is inserted between the titanium mating material (1-2) of the titanium clad steel plate (1) and the titanium mating material (3-2) of the titanium clad steel joint (3), Weld titanium together.
なお、チタンどうしの溶接はＭＩＧ溶接法やプラズマア
ーク溶接法でも可能であるが、ＴＩＧ溶接法を用いる方
が溶接欠陥が生じにくいことから好ましい。Although titanium can be welded together by MIG welding or plasma arc welding, it is preferable to use TIG welding because welding defects are less likely to occur.
上記のごとく、チタンクラッドｌｉｌ製継手を用いるこ
とにより、チタンはチタンどうし、炭素鋼は炭素鋼どう
し溶接することができるので、十分な強度を有する溶接
継手が得られるのである。また、チタンインサート材を
用いると未溶接部が少なくなり、ざらに強度の高い溶接
継手が得られる。As mentioned above, by using a titanium clad lil joint, titanium can be welded to titanium, and carbon steel can be welded to carbon steel, so a welded joint with sufficient strength can be obtained. Furthermore, when titanium insert material is used, there are fewer unwelded parts, and a welded joint with substantially higher strength can be obtained.
実 施 例
第１表に示す化学組成を有するチタンクラッド鋼板とチ
タン板を、同じく第１表に示す化学組成を有するチタン
クラッド鋼製継手とインサート材を用い、第２表に示す
溶接条件で溶接し、得られた溶接継手の引張試験結果を
、従来法による溶接継手と比較して第４表に示す。Example: A titanium clad steel plate and a titanium plate having the chemical compositions shown in Table 1 were welded using titanium clad steel joints and inserts having the chemical compositions also shown in Table 1 under the welding conditions shown in Table 2. The tensile test results of the obtained welded joints are shown in Table 4 in comparison with those of conventional welded joints.
なお、本実施例におけるチタンクラッド鋼板、チタン板
、チタンクラッド鋼製継手およびチタンインサート材の
仕様を第２図（Ａ） （本発明法）および（Ｂ）（従来
法）と第３表に示す。The specifications of the titanium clad steel plate, titanium plate, titanium clad steel joint, and titanium insert material in this example are shown in Figure 2 (A) (present invention method) and (B) (conventional method) and Table 3. .
第４表より明らかなごとく、従来法では未溶接部が多く
残るためほとんど強度が１ｑら机なかったのに対し、本
発明法では従来法の約１０倍近い強度が得られた。また
、Ｆｅ−Ｖ合金インサートをチタンクラッド鋼製継手に
使用した場合は、さらに高い強度が得られた。As is clear from Table 4, in the conventional method, the strength was hardly 1q because many unwelded parts remained, whereas in the method of the present invention, a strength nearly 10 times that of the conventional method was obtained. Furthermore, even higher strength was obtained when Fe-V alloy inserts were used in titanium-clad steel joints.
以下余白
第
２表
第 ３
表
第 ４
表
発明の詳細
な説明したごとく、この発明方法によれば、チタン板と
チタンクラッド鋼板の溶接において、チタンはチタンど
うし、炭素鋼は炭素鋼どうしをそれぞれ突合せ溶接でき
るので、十分な強度を有する継手が得られ、構造部材へ
の適用が可能となり、チタン板、チタンクラッド鋼板の
需要増に大なる効果を奏するものである。Table 2 Table 3 Table 4 Table 4 As described in detail of the invention, according to the method of this invention, in welding a titanium plate and a titanium clad steel plate, titanium is butted against titanium, and carbon steel is butted against carbon steel. Since it can be welded, a joint with sufficient strength can be obtained and it can be applied to structural members, which has a great effect on the increasing demand for titanium plates and titanium clad steel plates.
第１図はこの発明の一実施例における溶接継手部を示す
縦断面図、第２図はこの発明の実施例における継手仕様
を示す図で、図（Ａ＞は本発明法、図（Ｂ）は従来法を
それぞれ示す。
第３図（Ａ）（Ｂ）は従来法によるチタンクラッド鋼板
とチタン板の溶接角継手例を示す縦断面図、第４図は同
じ〈従来法によるチタンクラッド鋼板とチタン板の突合
せ溶接継手を示す縦断面図である。
１・・・チタンクラッド鋼板
１−１．３−１・・・炭素鋼母材
１−２．３−２・・・チタン合せ材
２・・・チタン板
３・・・チタンクラッド鋼製継手
４・・・チタンインサー１〜材FIG. 1 is a longitudinal cross-sectional view showing a welded joint in an embodiment of the present invention, and FIG. 2 is a diagram showing joint specifications in an embodiment of the present invention. Figure 3 (A) and (B) are vertical cross-sectional views showing an example of a welded angle joint between a titanium clad steel plate and a titanium plate by the conventional method, and Figure 4 shows the same (titanium clad steel plate and titanium plate by the conventional method). It is a vertical cross-sectional view showing a butt welded joint of titanium plates. 1... Titanium clad steel plate 1-1.3-1... Carbon steel base material 1-2.3-2... Titanium mating material 2. ...Titanium plate 3...Titanium clad steel joint 4...Titanium insert 1~ material
Claims (1)
ド鋼板とチタン板を突合せ溶接する方法において、チタ
ンクラッド鋼板とチタン板との間に、該チタンクラッド
鋼板と同材質のチタンクラッド鋼製継手を該継手の合せ
材がチタン板側に、鋼母材がチタンクラッド鋼板側にそ
れぞれ相対向するごとく配置し、該継手の両側に開先を
設けて溶接することを特徴とするチタン板とチタンクラ
ッド鋼板の溶接方法。 ２ 鋼母材に合せ材としてチタンを接合させたチタンクラッ
ド鋼板とチタン板を突合せ溶接する方法において、チタ
ンクラッド鋼板とチタン板との間に、重量％で２０〜５
０％のＶを含んだＦｅ−Ｖ合金インサートをチタンと鋼
母材間に挿入して製造したチタンクラッド鋼製継手を該
継手の合せ材がチタン板側に、鋼母材がチタンクラッド
鋼板側にそれぞれ相対向するごとく配置し、該継手の両
側に開先を設けて溶接することを特徴とするチタン板と
チタンクラッド鋼板の溶接方法。[Scope of Claims] 1. In a method of butt welding a titanium clad steel plate and a titanium plate in which titanium is bonded to a steel base material as a mating material, a material made of the same material as the titanium clad steel plate is disposed between the titanium clad steel plate and the titanium plate. A titanium clad steel joint is arranged so that the mating material of the joint faces the titanium plate side and the steel base material faces the titanium clad steel plate side, and grooves are provided on both sides of the joint and welded. A method for welding titanium plates and titanium clad steel plates. 2. In a method of butt welding a titanium clad steel plate and a titanium plate, in which titanium is bonded to a steel base material as a cladding material, 20 to 5% by weight is added between the titanium clad steel plate and the titanium plate.
A titanium clad steel joint manufactured by inserting an Fe-V alloy insert containing 0% V between titanium and steel base material, with the mating material on the titanium plate side and the steel base material on the titanium clad steel plate side. A method for welding a titanium plate and a titanium clad steel plate, characterized in that the welding is performed by arranging the titanium plates and titanium clad steel plates so as to face each other, and providing grooves on both sides of the joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10217489A JPH02280969A (en) | 1989-04-22 | 1989-04-22 | Method for welding titanium plate to titanium clad steel plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10217489A JPH02280969A (en) | 1989-04-22 | 1989-04-22 | Method for welding titanium plate to titanium clad steel plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02280969A true JPH02280969A (en) | 1990-11-16 |
Family
ID=14320331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10217489A Pending JPH02280969A (en) | 1989-04-22 | 1989-04-22 | Method for welding titanium plate to titanium clad steel plate |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02280969A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5193939A (en) * | 1990-11-16 | 1993-03-16 | Nippon Steel Corporation | Marine structure having superior corrosion resistance |
| CN102744502A (en) * | 2012-07-11 | 2012-10-24 | 山东大学 | Wire filling tungsten electrode argon-arc welding process for TA15 titanium alloy and austenitic stainless steel |
-
1989
- 1989-04-22 JP JP10217489A patent/JPH02280969A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5193939A (en) * | 1990-11-16 | 1993-03-16 | Nippon Steel Corporation | Marine structure having superior corrosion resistance |
| CN102744502A (en) * | 2012-07-11 | 2012-10-24 | 山东大学 | Wire filling tungsten electrode argon-arc welding process for TA15 titanium alloy and austenitic stainless steel |
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