中國(guó)有色金屬學(xué)報(bào)(英文版)
Transactions of Nonferrous Metals Society of China
| Vol. 12 No. 1 February 2002 |
energies of Ni films on titanium and
stainless steel substrates by peel test
HU Zhi-zhong(胡志忠),ZHENG Mao-sheng(鄭茂盛),JU Xin-hua(鞠新華)
（State Key Laboratory for Mechanical Behavior of Material,
Xi′an Jiaotong University,Xi′an 710049,China）
Abstract:The interfacial fracture energy G,which includes the effect of residual stress, was deduced for Ni films on titanium and stainless steel substrates based on the energy-balance argument and the numerical method for the work expenditure Gdb of Moidu et al.The estimated interfacial fracture energies G are independent of the film thickness,the peel angle and the residual stress.The value of G for Ni films on a stainless steel substrate is about 5.47～6.08N/m for various peel angles θ,while 5.33～6.72N/m for Ni films on titanium substrate with various film thickness h.The effect of the residual stress on the peel strength P/b was also discussed.
Key words: peel test;interfacial fracture energy; work expenditure; residual stress
