Combinatorial measurement of critical cooling rates in aluminum-base metallic glass forming alloys

被引：14

作者：

Liu, Naijia ^{[1
]}

Ma, Tianxing ^{[2
]}

Liao, Chaoqun ^{[3
,4
]}

Liu, Guannan ^{[1
]}

Mota, Rodrigo Miguel Ojeda ^{[1
]}

Liu, Jingbei ^{[1
]}

Sohn, Sungwoo ^{[1
]}

Kube, Sebastian ^{[1
]}

Zhao, Shaofan ^{[3
]}

Singer, Jonathan P. ^{[2
]}

Schroers, Jan ^{[1
]}

机构：

[1] Yale Univ, Dept Mech Engn & Mat Sci, New Haven, CT 06511 USA

[2] Rutgers State Univ, Dept Mech & Aerosp Engn, Piscataway, NJ 08854 USA

[3] Qian Xuesen Lab Space Technol, Beijing 100094, Peoples R China

[4] Beijing Univ Chem Technol, Coll Mech & Elect Engn, Beijing 100029, Peoples R China

来源：

SCIENTIFIC REPORTS | 2021年 / 11卷 / 01期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1038/s41598-021-83384-w

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Direct measurement of critical cooling rates has been challenging and only determined for a minute fraction of the reported metallic glass forming alloys. Here, we report a method that directly measures critical cooling rate of thin film metallic glass forming alloys in a combinatorial fashion. Based on a universal heating architecture using indirect laser heating and a microstructure analysis this method offers itself as a rapid screening technique to quantify glass forming ability. We use this method to identify glass forming alloys and study the composition effect on the critical cooling rate in the Al-Ni-Ge system where we identified Al51Ge35Ni14 as the best glass forming composition with a critical cooling rate of 10(4) K/s.

引用

页数：9

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