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不同种类铝合金晶粒细化剂中TiB2的对比研究

Comparative Study of TiB2 in Grain Refiners of Different Aluminum Alloys

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采用金相显微镜、激光共聚焦显微镜和扫描电镜对MJD-AlTi5B1A、MJD-AlTi5B1B、MJD-AlTi5B1C 和SH-AlTi5B1A铝合金晶粒细化剂中TiB2 的分布进行了对比研究.研究表明:MJD-AlTi5B1A和SH-AlTi5B1A晶粒细化剂中TiB2 粒子分布较为分散,粒子细小;MJD-AlTi5B1B晶粒细化剂局部组织不均匀;MJD-AlTi5B1C晶粒细化剂TiB2 粒子分布轻微团聚.
The distribution of TiB2 in grain refiners of MGD-AlTi5B1A,MGD-AlTi5B1b,MGD-AltT5B1c and SH-AlTi5B1A aluminum alloys was studied by metallographic microscopy,laser confocal microscopy and scanning electron mi-croscopy.The results show that the distribution of TiB2 particles in the grain refiners MLD-AlTi5B1A and SH-AlTi5B1A is relatively dispersed and the particles are small.The local microstructure of MGD-AlTi5B1B grain refiner is not uniform.The particle distribution of MGD-AlTi5B1C grain refiner TiB2 is slightly agglomerated.

aluminum alloygrain refinermicrostructureTiB2TiAl3

王宝君、宋德峰、张有余、张开宝

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酒泉钢铁(集团)有限责任公司 技术中心,甘肃 嘉峪关 735100

铝合金 晶粒细化剂 显微组织 TiB2 TiAl3

2024

甘肃冶金
甘肃省金属学会,西北矿冶研究院

甘肃冶金

影响因子：0.176
ISSN：1672-4461
年,卷(期)：2024.46(1)
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