supported by the National Natural Science Foundation of China (Grant No. 50875216);111 Project (Grant No. B08040)
For a low carbon steel tube with small wall factor D/t and bending radius R,the over-thinning induced localized necking is one dominant failure in tube numerical control(NC) bending process,which strongly restricts th...
Projects (50905144, 50875216) supported by the National Natural Science Foundation of China;Project (09-10) supported by the State Key Laboratory of Materials Processing and Die & Mould Technology, China;Project (JC201028) supported by the Northwestern Polytechnical University Foundation for Fundamental Research, China
Thin-walled aluminum alloy tube numerical control (NC) bending with small bending radius is a complex process with multi-factor coupling effects and multi-die constraints. A significance-based optimization method of...
Supported by National Natural Science Foundation of China (No. 50875216)
The mechanical characteristics of the weld joint were investigated by tensile test, microstructure test, and microhardness test. The welded tube NC bending tests were carried out to evaluate the weld on the formabilit...