Study on Solidification Cracking of Laser Dissimilar Welded Joints by using in-Situ Observation and Numerical Simulation

2010 ◽  
Vol 54 (9-10) ◽  
pp. R257-R266 ◽  
Author(s):  
Peng Wen ◽  
Motomichi Yamamoto ◽  
Yasutaka Senda ◽  
Tomoko Tamura ◽  
Kenji Shinozaki
Keyword(s):  
Numerical Simulation ◽  
Welded Joints ◽  
Solidification Cracking ◽  
In Situ Observation

scholarly journals In-situ Observation of Solidification Cracking of Laser Dissimilar Welded Joints

2009 ◽  
Vol 27 (2) ◽  
pp. 134s-138s ◽  
Author(s):  
Peng Wen ◽  
Kenji Shinozaki ◽  
Motomichi Yamamoto ◽  
Yasutaka Senda ◽  
Tomoko Tamura ◽  
...  
Keyword(s):  
Welded Joints ◽  
Solidification Cracking ◽  
In Situ Observation

In Situ Observation Method for Quantitative Evaluation of Solidification Phenomena and Solidification Cracks during Welding

2014 ◽  
Vol 782 ◽  
pp. 3-7
Author(s):  
Kenji Shinozaki ◽  
Motomichi Yamamoto ◽  
Kohta Kadoi ◽  
Peng Wen
Keyword(s):  
High Speed ◽  
Video Camera ◽  
Solidification Cracking ◽  
In Situ Observation ◽  
High Speed Video Camera ◽  
Varestraint Test ◽  
Solidification Cracks ◽  
Observation Method ◽  
Solidification Crack

Solidification cracking during welding is very serious problem for practical use. Therefore, there are so many reports concerning solidification cracking. Normally, solidification cracking susceptibility of material is quantitatively evaluated using Trans-Varestraint test. On the other hand, local solidification cracking strain was tried to measure precisely using in-situ observation method, called MISO method about 30 years ago. Recently, digital high-speed video camera develops very fast and its image quality is very high. Therefore, we have started to observe solidification crack using in site observation method. In this paper, the local critical strain of a solidification crack was measured and the high temperature ductility curves of weld metals having different dilution ratios and different grain sizes to evaluate quantitatively the effects of dilution ratio and grain size on solidification cracking susceptibility by using an improved in situ observation method.

In-situ observation and numerical simulation of crack propagation in β-Sialon ceramics

2000 ◽  
Vol 21 (5) ◽  
pp. 453-459 ◽  
Author(s):  
Y Chen ◽  
H Xu ◽  
K.A Kibble ◽  
R Hall
Keyword(s):  
Numerical Simulation ◽  
Crack Propagation ◽  
In Situ Observation

Evaluation of Solidification Cracking Susceptibility during Laser Welding by In-situ Observation Method

2011 ◽  
Vol 38 (6) ◽  
pp. 0603005
Author(s):  
温鹏 Wen Peng ◽  
荻崎贤二 Shinozaki Kenji ◽  
山本元道 Yamamoto Motomichi
Keyword(s):  
Laser Welding ◽  
Solidification Cracking ◽  
In Situ Observation ◽  
Observation Method
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