摘要
借助纳米力学测试系统测试了4GPa压力处理前、后7075铝合金的硬度、弹性模量和塑性变形量,并结合对其显微组织的观察,探讨了高压处理对7075铝合金微观力学性能的影响。结果表明:4GPa压力处理能增大7075铝合金的硬度和弹性模量,减小塑性变形量,有效地提高了合金抵抗变形的能力。
The hardness, elastic modulus and plastic deformation of the 7075 aluminum alloy before and after 4 GPa pressure treatment are measured by nano-indenter,and combined with the observation for the microstructure. The effects of high pressure treatment on micro-mechanical properties of 7075 aluminum alloy are investigated. The results show that 4 GPa pressure treatment can increase the hardness and elastic modulus of the 7075 aluminum alloy, and decrease its plastic deformation. As a result, the non-deformability of the alloy is improved effectively.
出处
《高压物理学报》
CAS
CSCD
北大核心
2013年第5期768-772,共5页
Chinese Journal of High Pressure Physics
基金
河北省自然科学基金(E2013409002)
河北省教育厅青年基金(2011252)
关键词
7075铝合金
高压处理
力学性能
7075 aluminum alloy
high pressure treatment
mechanical properties
