全部文献期刊学位论文会议报纸专利标准年鉴图书|学者科研项目
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作者:Kwanghyun Ahn , In-Gyu Lim ...
来源:[J].International Journal of Precision Engineering and Manufacturing(IF 1.585), 2016, Vol.17 (9), pp.1149-1156Springer
摘要:Abstract(#br)Local buckling is as important as column buckling, substantially, when a thin-walled tube is applied to a structural part for guaranteeing safety design. This paper newly proposes an analytic model for predicting local buckling since a conventional Plantema equation ...
作者:Kwanghyun Ahn , Hoon Huh , Jonghun Yoon
来源:[J].International Journal of Mechanical Sciences(IF 1.613), 2015, Vol.98, pp.80-92Elsevier
摘要:Abstract(#br)This paper is concerned with the strain hardening behavior of commercially pure titanium for a wide range of strain rates. Pure titanium has been described as having three stages of strain hardening behavior during compressive deformation. The stress–strain curv...
作者:Kwanghyun Ahn , Hye-Jin Lee , Jonghun Yoon
来源:[J].Materials Science & Engineering A(IF 2.108), 2016, Vol.651, pp.1010-1017Elsevier
摘要:Abstract(#br)Due to insufficient formability of magnesium (Mg) alloys at the room temperature, it leads to a hot forming process for Mg alloys to enhance the formability and plastic workability. Mg alloy undergoes the dynamic recrystallization (DRX) during hot working process, wh...
作者:Kwanghyun Ahn , Ji Ho Lim ...
来源:[J].Journal of Materials Processing Tech.(IF 1.953), 2014, Vol.214 (7), pp.1326-1340Elsevier
摘要:Abstract(#br)This paper is concerned with dynamic hardening models of metallic materials for various crystalline structures. The dynamic response of metallic materials is indispensable for the analysis of deformation in the high-speed condition. The description of the dynami...
作者:Kwanghyun Ahn , Hoon Huh , Jonghun Yoon
来源:[J].Metals and Materials International(IF 1.434), 2013, Vol.19 (4), pp.749-758Springer
摘要:Abstract(#br)This paper is concerned with the effect of deformation twinning on the strain hardening behavior of commercially pure titanium during the compressive loading. In accordance with many studies on titanium, the strain hardening behavior of titanium during compression ha...
作者:Kwanghyun Ahn , Hoon Huh
来源:[J].Int. J. of Materials and Product Technology(IF 0.324), 2014, Vol.48 (1/2/3/4), pp.34-46Inderscience 出版公司
摘要:This paper is concerned with the construction of fracture envelopes of DP780 sheets using two methods: a hybrid experimental-numerical method; two-dimensional digital image correlation (2D-DIC). For the hybrid method, four types of ductile fracture tests were carried out covering...

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