杆状Al-5Ti-1B中间合金的组织形貌及对铝合金晶粒细化效果研究  

Study on Morphology of Al-5Ti-1B Master Alloy and Its Effect on Grain Refinement of Aluminum Alloy

作　　者：路丽英[1,2] 孙博晗 韩颖 陈雷[1] LU Li-ying;SUN Bo-han;HAN Ying;CHEN Lei(Northeast Light Alloy Co., Ltd., Harbin 150060;College of Materials Science and Engineering, Central South University, Changsha 410083;Aerospace Seahawk(Harbin) Titanium Industry Co., Harbin 150028, China)

机构地区：[1]东北轻合金有限责任公司,哈尔滨150060 [2]中南大学材料科学与工程学院,长沙410083 [3]航天海鹰(哈尔滨)钛业有限公司,哈尔滨150028

出　　处：《铝加工》2019年第2期15-18,共4页Aluminium Fabrication

摘　　要：采用光学显微镜、扫描电镜、能谱分析等手段对比分析了四个不同厂家生产的Al-5Ti-1B杆状晶粒细化剂的化学成分、组织及对铝合金的细化效果。结果表明,1#杆状Al-5Ti-1B晶粒细化剂成分达到YS/T447.1-2011标准中A等Al-5Ti-1B中间合金的要求,与其他三种Al-5Ti-1B晶粒细化剂相比具有最优的晶粒细化效果。The chemical composition, structure and refining effect of rod-state Al- 5Ti-1B grain refiner produced by four different manufacturers were compared and analyzed by means of optical microscope, scanning electron microscope and energy spectrum analysis.The results showed that the composition of 1# Al-5Ti-1B grain refiner can meet the requirements of A class of YS/T447.1- 2011standard.

关 键 词：Al-5Ti-1B 晶粒细化 组织 中间合金 

分 类 号：TG133[一般工业技术—材料科学与工程] TG292[金属学及工艺—合金]