热差分析结合金相组织检验确定铝合金的过烧温度  

Overburnt temperature of aluminum alloy determined by combining analysis on differential thermal analysis and metallographical examination

作　　者：胡智敏[1] 

机构地区：[1]东北轻合金有限责任公司,黑龙江哈尔滨150060

出　　处：《轻合金加工技术》2010年第1期49-52,共4页Light Alloy Fabrication Technology

摘　　要：针对铝合金铸锭热差分析曲线上的定温吸热反应点和开始吸热点温度的不同,通过显微镜观察定温吸热反应点和开始吸热点温度的金相组织特征,确定应以定温吸热反应点的温度作为铝合金的过烧温度。Addressing to the temperature difference between absorption response point at set temperature and absorption response point at the beginning on analysis curve of differential thermal analysis of aluminum alloy ingot, metallographical features on absorption response point at set temperature and absorption response point at the beginning are observed through microscope. It＇s determined that temperature on absorption response point at set temperature shall be regarded as the overburnt temperature.

关 键 词：铝合金 定温吸热反应点 过烧特征 

分 类 号：TG115.2[金属学及工艺—物理冶金]