摘要
近十年来， 一系列具有极大玻璃形成能力、极低的临界冷却速率（０１～１０Ｋ／ｓ） 的大块非晶合金相继被发现。各种新研制出的大块非晶合金有两个共同的特征： （１） 具有多元合金成分 （三～五个组元）；（２） 具有较大的过冷液相区温度范围（ΔＴｘ ＝ Ｔｘ Ｔｇ）。本文综合评述了大块非晶合金的研究进展、最新成果。
During the last ten years, one of the most important achievement in bulk amorphous synthesis is that certain metallic alloys can be vitrified from liquid state at low cooling rate(about 0 1～10K/s), and a number of multicomponent bulk amorphous alloys with large glass forming ability have been gradually found These new bulk amorphous alloys have two general features: first, they are multicomponent(at least three and very often five elements), and second, they exhibit large values of temperature interval of undercooled liquid region(ΔT x=T x-T g), where T x is the crystallization temperature of the amorphous alloys, and T g is the glass transition temperature of the alloys This paper aims to review recent development in bulk amorphous alloys, especially, mechanisms and improvement of large glass forming ability have been discussed
出处
《材料工程》
EI
CAS
CSCD
北大核心
1999年第9期3-6,12,共5页
Journal of Materials Engineering
关键词
大块
非晶合金
玻璃形成能力
过冷液相区
温度
bulk amorphous alloys
glass forming ability
critical cooling rate
temperature interval of supercooled liquid region
viscosity
