Microbending moment of brass foils based on strain gradient hardening model

作者：Li, He Zong; Dong, Xiang Huai^*; Shen, Yu; Diehl, Alexander; Hagenah, Hinnerk; Engel, Ulf; Merklein, Marion

来源：Journal of Shanghai Jiaotong University, 2011, 45(11): 1668-1672+1683.

• CuZn37 brass
• Foil thickness
• Hardening model
• Material intrinsic lengths
• Micro-bending
• Plastic theory
• Strain gradient theory
• Strain gradients

The microbending experiments of brass were investigated and there exist the obvious size effects that bending moment increases with foil thickness decreasing.The microbending moments are predicted by classical plastic theory and different strain gradient theories,which shows that the predicted results based on the modified Nix-Gao model are very close to the experimental data and the equation of material intrinsic length is reasonable.The material intrinsic length is the function of shear modulus,initial yi...

• 出版日期2011
• 单位上海交通大学