Search Results:　 1-20 of 23

1

Effect of hydrogen permeation on structure and hardness of SUS316L welded by A-TIG [in Japanese]

YAMAZAKI Takahisa , KAMONO Shumpei , SUZUMURA Akio , IKESHOJI Toshi-Taka

溶接学会全国大会講演概要 86, 82-83, 2010-03-29

References (2)
2

Study on welding procedure of hydrogen energy supply type TIG welding process [in Japanese]

野原英孝

紀要 (15), 47-50, 2009-03-00
3

Effect of a Nickel-Iron Mixture of Weld Metal on Hydrogen Permeability at Various Temperatures in 316L Stainless Steel

YAMAZAKI Takahisa , IKESHOJI Toshi-Taka , SUZUMURA Akio , KOBAYASHI Daigo , KAMONO Shumpei

… It is important to prevent from hydrogen embrittlement cracking in the heat-affected zone of welded steels. … The hydrogen permeation rate for bulk nickel at high temperatures is higher than that of stainless steel, although the reverse is true at low temperatures. … We have investigated the affect of nickel near the heat-affected zone by measuring the hydrogen permeation at various temperatures. …

Journal of Solid Mechanics and Materials Engineering 3(6), 865-875, 2009

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4

Study on the corrosion assessment of overpack welds (4) [in Japanese]

横山裕 , 三井裕之 , 高橋里栄子 [他]

JAEA-research 2008(72), 1-232,巻頭1〜2, 2008-10-00
5

242 Survey on hydrogen permeation paths in stainless steel SUS304 welded by TIG [in Japanese]

KAMONO Shumpei , YAMAZAKI Takahisa , SUZUMURA Akio , IKESHOJI Toshi-Taka

Pre-Prints of the National Meeting of JWS (83), 166-167, 2008-08-20

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6

G13 Effects of hydrogen content in shielding gas on TIG weldability of AZ31 magnesium alloy [in Japanese]

ISHIDA Tetsuya , OSATO Fumito , ASAHINA Toshikatsu

日本機械学会九州支部講演論文集 2006(59), 167-168, 2006-03-00

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7

209 Development of Ultrasonic TIG Welding [in Japanese]

Kitamura K. , Matsumoto T. , Kamai M. , Fujii H. , Nogi K.

Pre-Prints of the National Meeting of JWS (77), 90-91, 2005-08-20

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8

Control of Bubble Behavior in Molten Pool by Ultrasonic Wave [in Japanese]

Sugiyama Hiroyuki , Fujii Hidetoshi , Nogi Kiyoshi , Mitome Hideto

Pre-Prints of the National Meeting of JWS (71), 270-271, 2002-09-03

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9

Fatigue Properties of TIG Welds of Austenitic Stainless Steels in Liquid Hydrogen (Study on low temperature materials used in WE-NET 18) [in Japanese]

FUJII Hideki , 中川英樹 , 平山義明 , 緒形俊夫 , 岡口秀治 , 田中純 , 奥野寛人

材料とプロセス : 日本鉄鋼協会講演論文集 = Current advances in materials and processes : report of the ISIJ meeting 14(6), 1314, 2001-09-01

References (2)
10

Effect of hydrogen charging on mechanical properties of weld metal of austenitic stainless steels(Study on low temperature materials used in WE-NET 7) [in Japanese]

OKAGUCHI Shuji , 緒形俊夫 , 中川英樹 , 江口晴樹 , 藤井秀樹 , 和田洋流 , 斉藤正洋 , 藪本政男

材料とプロセス : 日本鉄鋼協会講演論文集 = Current advances in materials and processes : report of the ISIJ meeting 12(6), 1198, 1999-09-01
11

Evaluation of Local Plasma Composition and Temperature in Mixed Gas Tungsten Arc Plasma Column by Light Spectroscopy : Study on Characteristics of Gas Tungsten Arc Shielded by Mixed Gases (Report 2) [in Japanese]

HIRAOKA Kazuo

… The composition and temperature of argon-hydrogen, argon-helium and argon-nitrogen gas tungsten arcs could be deduced from the intensity ratio of the ArI and ArII lines in the LTE plasma. … When helium or hydrogen gas was added to an argon arc, the additional gas was found to significantly concentrate at the arc plasma axis. … Furthermore, the results obtained suggest that the arc plasma temperature at the arc core decreased upon introduction of hydrogen gas. …

quarterly journal of the Japan Welding Society 11(1), 68-74, 1993-02-05

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12

Evaluation of Cold Crack Susceptibility in Weld Metal of High Strength Steels Using the LB-TRC Test : Cold Cracking Susceptibility in Weld Metal of HY-Steel (Part 3) [in Japanese]

MATSUDA Fukuhisa , NAKAGAWA Hiroji , SHINOZAKI Kenji

… In this study, the effects of hardness and diffusible hydrogen content on the lower critical stresses of weld metals (LCS) of high strength steels in the strength range 490 to 1950 MPa were evaluated utilizing the LB-TRC test which was newly developed in order to understand the cold cracking characteristics of weld metal. … Test beads were laid utilizing SMA welding and GTA welding in which argon and argon-(0.35,1.0,2.0,3.2 Vol.%) hydrogen mixed gases were used as shielding gases. …

quarterly journal of the Japan Welding Society 5(2), 55-59, 1987-05-05

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13

759 Hydrogen embrittlement in TIG weld metal of ferritic stainless steel(PRODUCTS AND PROPERTIES, The 112th ISIJ Meeting) [in Japanese]

Inoue Shoji , 竹添明信

Tetsu- to- Hagane 72(13), S1551, 1986-09-09

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14

SEM Dynamic Observation of Hydrogen-Induced Cold Cracking in Weld Metal of 80kg/mm^2 Class Steel

MATSUDA Fukuhisa , NAKAGAWA Hiroji , MATSUMOTO Takeshi

… Dynamic direct observation of hydrogen-induced cold cracking in scanning electron microscope is tried for weld metal of 80kg/mm^2 class steel. … Welded joint made with TIG-arc welding in argon-hydrogen mixing shielding gas is sliced and polished as soon as possible to minimize loss of diffusible hydrogen, and then bended with a restraint device. …

Transactions of JWRI 10(1), 81-87, 1981-03-00

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15

Evaluation of Cold Crack Susceptibility in Weld Metal of High Strength Steels Using LB-TRC Test(Materials, Metallurgy, Weldability)

MATSUDA Fukuhisa , NAKAGAWA Hiroji , SHINOZAKI Kenji , SHIMOYAMA Jinichi , KIHARA Hiroshi

… The lower critical stress of weld metal of 60, 70, 80, 90 and 100kg/mm^2 steels in strength levels was measured by the LB TRC test, previously reported, with SMA and GTA argon and argon-hydrogen mixed shielding gases welding. … Consequently, it was seen that the lower critical stress of weld metal decreases rapidly with an increase in diffusible hydrogen content in the range 0 to 3ml/100g and the weld metal of 100kg/mm^2 class steel in strength level was most susceptible to cold cracking. …

Transactions of JWRI 9(1), 87-92, 1980-06-00

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16

Strength of Some Al Alloys after Immersion in Liquid Hydrogen [in Japanese]

KAWATA Kozo , KUROKAWA Kunihiko , HASHIMOTO Shozo , ,

… 液体水素エンジン用タンク材料としては,液体水素浸漬による強度劣化が起るか否か調べておく必要があるので,Al合金2014-T6,2219-T87とそのTIG溶接継手について,略降伏応力に当る応力下の液体水素浸漬後の強度が調べられ,240分までの浸漬では強度劣化のないことが知られた. …

Bulletin of the Institute of Space and Aeronautical Science, University of Tokyo 16(1_C), 757-766, 1980-03-00

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17

Effects of Finishes of Weld Toe on Fatigue Strength of Welded High Strength Steels [in Japanese]

Kawai Sueo , Miyamoto Toshio , Shiono Tadahiko , Saikawa Shiko

… The results are summarized as follows i) Fatigue strength of SM58Q (MIG・as-welded), SM58Q (TIG finished), HT80 (ground), HT80 (ground+peended) increased to 114%, 130%, 120% and 214% at Nf=10^6 under minimum stress σmin=0 compared with that of the corresponding low hydrogen electrode・as-welded specimens. …

Journal of the Japan Welding Society 48(9), 700-707, 1979-09-05

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18

Effects of Hydrogen and Nitrogen on Blowhole Formation in pure Nickel at Arc Welding [in Japanese]

Ohno Satoru , Uda Masahiro

… A study has been made of the effect of nitrogen and hydrogen in the arc atmosphere of blowhole formation in tungsten inert gas arc welding of nickel. … It was found that the critical hydrogen concentrations of the atmospheres (Ar-H_2) forming blowhole in solidified nickel are 50% hydrogen for TIG welding method and 18% hydrogen for leviation melting method (non-arc melting). …

Journal of the Japan Welding Society 48(4), 223-229, 1979-04-05

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19

Welding of Nickel Base Hydrochloric Acid Corrosion Resistance Alloy [in Japanese]

Nakai Tsuneo , Yamane Toshimi , Tanaka Masao , Otsubo Akiho

… Coated flux compositions of low hydrogen type on the new alloy electrods were determined. … The new alloy plates were welded with the new alloy filler metal by TIG arc welding. …

Journal of the Japan Welding Society 35(10), 988-993, 1966-10-25

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20

Interfacial Tension Theory on the Phenomena of Arc Welding (Chapter 10) : The Penetration by Indirect Heating of Arc [in Japanese]

Ishizaki Keizo , Kanbe Yoshio

… The authors investigated the change of penetration shape with time of wide range, and the influence of atmospheric condition and slag addition to the molten pool upon the penetration by fixed TIG arc hitting the mild steel plate. … 3) Deep penetration of simple type in the hydrogen rich atmosphere or under the very viscous slag such as silica shows the effect of concentrated arc. …

Journal of the Japan Welding Society 35(2), 89-98, 1966-02-25

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Search Results:　 1-20 of 23