摘要
文章研究了Cu-Al-Ni-Mn-Ti多晶形状记忆合金的相变弛豫特性。实验和理论分析表明,该合金的耗散模量和模量弛豫量的关系为M2=0.316δM,半峰宽Δlgωτ=1.735,与Debye弛豫峰对比,铜基合金热弹性马氏体相变的频率弛豫峰出现一定程度的宽化,仍属于滞弹性弛豫范畴。
The properties of phase transition relaxation of polycrystalline Cu-Al-Ni-Mn-Ti shape memory alloy were studied in the paper.The experiment results and theoretical analyses show that the relationship of loss modulus to modulus relaxation quantity is M2=0.316δM and the semi-peak width is Δlg ωτ=1.735 in the alloy.Compared with the Debye relaxation peak,the relaxation peak gets to some extent broadened at frequency spectra in the thermoelastic martensitic transformation of Cu-based alloy,but still belonging to a kind of anelastic relaxation.
出处
《合肥工业大学学报（自然科学版）》
CAS
CSCD
北大核心
2010年第1期36-37,54,共3页
Journal of Hefei University of Technology：Natural Science
关键词
铜基形状记忆合金
热弹性马氏体相变
力学弛豫
耗散模量
Cu-based shape memory alloy
thermoelastic martensitic transformation
mechanical relax-ation
loss modulus
