Effect of cooling rates on the structure, density and micro-indentation behavior of the Fe, Co-based bulk metallic glass

S Lesz - Materials Characterization, 2017 - Elsevier
The experiments demonstrate that ductility of the samples of bulk metallic glass (BMG) with
the same chemical composition increased with decreasing sample size. It is shown that …

Fracture mechanism of some brittle metallic glasses

JX Zhao, RT Qu, FF Wu, ZF Zhang, BL Shen… - Journal of Applied …, 2009 - pubs.aip.org
A systematic study on the fracture surface of brittle Mg-, Fe-, and Co-based metallic glasses
under compressive loading is approached and a fracture mechanism is proposed …

Dynamic fracture instability of tough bulk metallic glass

JX Meng, Z Ling, MQ Jiang, HS Zhang… - Applied Physics …, 2008 - pubs.aip.org
We report the observations of a clear fractographic evolution from vein pattern, dimple
structure, and then to periodic corrugation structure, followed by microbranching pattern …

Cryogenic charpy impact toughness of (Ti41Zr25Be26Ni8) 93Cu7 bulk metallic glass

JL Gu, GN Yang, P Gong, Y Shao, KF Yao - Materials Science and …, 2020 - Elsevier
The Charpy impact toughness of standard-size (10× 10× 55 mm)(Ti 41 Zr 25 Be 26 Ni 8) 93
Cu 7 and (Ti 41 Zr 25 Be 28 Fe 6) 91 Cu 9 bulk metallic glasses (BMGs) samples from room …

Universal mechanical instabilities in the energy landscape of amorphous solids: Evidence from athermal quasistatic expansion

UA Dattani, S Karmakar, P Chaudhuri - Physical Review E, 2022 - APS
Using numerical simulations, we study the failure of an amorphous solid under athermal
quasistatic expansion starting from a homogeneous high-density state. During the …

[HTML][HTML] 金属玻璃的断裂行为与强度理论研究进展

张哲峰, 屈瑞涛, 刘增乾 - 金属学报, 2016 - ams.org.cn
摘要由于特殊的非晶态结构, 金属玻璃表现出与传统晶体材料十分不同的变形与断裂行为.
金属玻璃具有高强, 脆性和宏观均匀, 各向同性的特点, 使其成为研究高强度材料强度理论的理想 …

[PDF][PDF] Characterization and Modeling of Breaking‐Induced Spontaneous Nanoscale Periodic Stripes in Metallic Glasses

XX Xia, WH Wang - small, 2012 - mmp.iphy.ac.cn
Xing Xiang Xia and Wei Hua Wang* fracture surfaces. The failure mechanism has been
experimentally confirmed by correlating the vein size to the fracture toughness of MGs.[16] …

Mechanical properties of glass

JP Guin, Y Gueguen - Springer handbook of glass, 2019 - Springer
This chapter focuses on the mechanical properties and behavior of glasses below their
glass transition temperature. In this temperature range, they are usually seen as perfectly …

Mechanical behavior of carbon nanotube-reinforced Mg–Cu–Gd–Ag bulk metallic glasses

P Zhao, S Li, G Gao, B Bai, RDK Misra - Materials Science and …, 2015 - Elsevier
Carbon nanotube (CNT)-reinforced Mg 59.5 Cu 22.9 Gd 11 Ag 6.6 bulk metallic glass (BMG)
composites were successfully processed using the approach of differential pressure casting …

Multiphase bainite-martensite steels: The significant impact of niobium microalloying on structure and mechanical behavior

P Zhao, Z Liu, F Du, RDK Misra, W Ren… - Materials Science and …, 2018 - Elsevier
We underscore here that microalloying of multiphase steels with niobium (Nb) introduces
significant changes in phase transformation through modification of continuous cooling …