Results 61 to 70 of about 170,507 (210)
RESEARCH ON STRESS AND PRECISION CONTROL TECHNOLOGY OF WELDED STEEL PARTS
The residual stress of structural parts of welding machine tools at home and abroad was investigated. The welding bed,column and sliding saddle used in a vertical machining center were manufactured.
WEI DongHai +3 more
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Dissimilar steel welding is widely used in machinery, chemical industry, electric power and other fields. Due to the different welding materials, the distribution of residual stress and deformation of welded joints is complex.
Yongyou Zhu +6 more
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Analysis and simplified model calculation of residual stress in U-rib welding of steel bridge deck
This article examines residual stress generation in U-ribbed steel bridge deck during welding, focusing on post-welding changes in the base material’s residual stress pattern.
Lixiong Gu, Jieming Hong, Niujing Ma
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Local Stress Analysis in Welding Area of U-rib of Steel Deck Considering Welding Residual Stress
In order to study the local stress characteristics at weld joints between the top plate and U-rib of orthotropic steel deck considering the combination of external loads and welding residual stresses, taking a wide body steel box girder as the project ...
Zhigang HE, Pengzhen LIN, Yinglong LIU
doaj
Due to the high stress concentration of spot welding joints, it is very easy to initiate fatigue cracks at the edge of the nugget, and the residual stress produced by spot welding will affect its propagation.
LUO JiaYuan, LI Xin, TAN Chao
doaj
ObjectiveThis study aims to investigate the complex welding residual stress of high-strength steel thick plate with multi-pass welding, and examines the influence of such stress on the fracture behavior of welded joints.
Jiangchao WANG +6 more
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Enhancement of glass welding strength by regulating the spatial distribution of residual stress
The welding performance of ultrafast laser glass welding is significantly influenced by welding strategies. Unlike continuous scanning welding strategy, discrete scanning welding strategy (DSW) can offer greater flexibility in modulating molten zones ...
Xiaohui Su +9 more
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Experimental and Numerical Simulation to Study the Reduction of Welding Residual Stress by Ultrasonic Impact Treatment. [PDF]
Chen J +6 more
europepmc +1 more source
Residual stress management in welded elements and structures
Residual stresses introduced before, during or after welding may change considerably the engineering properties of materials and structural components by affecting their fatigue life, distortion, dimensional stability, corrosion resistance, etc. They play an exceptionally significant role in fatigue of welded elements.The concept of residual stress ...
Kleiman, Jacob, Kudryavtsev, Yuri
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The welding test on 5 mm 3Cr13Mo martensite heat resistant steel plate (/% : 0. 28C, 0. 8Si, 0.36Mn, 0. 030S, 0.029P, 12. 10Cr, 0. 57Mo, 0.45Ni) with welding speed 0. 5 ~ 1.2 mm/s, current 150 ~ 200 A, pulse width 3. 0 ~5. 0 ms and frequency 18 ~40 Hz by
刘升, 贺铸, 刘宇鑫
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