Effect of Ni/Cu Content Ratio on Thermal Stability and Mechanical Properties of Zr-based Amorphous Alloy

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	Effect of Ni/Cu Content Ratio on Thermal Stability and Mechanical Properties of Zr-based Amorphous Alloy
	Ai, Yajun; S., Kou; W., Zhang; W., Sun; G., Li
刊名	Xiyou Jinshu Cailiao Yu Gongcheng/Rare Metal Materials and Engineering
	2018-08-01
卷号	47 期号:8 页码:2585-2591
关键词	Aluminum alloys Amorphous alloys Compression testing Compressive strength Copper alloys Differential scanning calorimetry Elastic moduli Mechanical properties Plastic deformation Stability Supercooling Thermodynamic stability Yield stress Bulk amorphous alloys Content ratio Copper mold casting Differential scanning calorimeters Supercooled liquid region Uni-axial compression tests Zr-based amorphous alloys
ISSN号	1002185X
英文摘要	Zr70Al8Cu22-xNix (x=8.5, 9, 9.5, 10, 10.5, 11) bulk amorphous alloy rods with 2 mm in diameter were prepared by a copper mold casting technique, and the effect of Ni/Cu content ratio on thermal stability and mechanical properties of the Zr-based amorphous alloys were investigated by differential scanning calorimeter (DSC) and uniaxial compression test methods. The results show that the value of supercooled liquid region ΔTx changes between 80 K and 81 K with the Ni/Cu content ratio increasing; but the ΔTx is bigger than others when Ni/Cu content ratio is 0.63 and 0.76. When Ni/Cu content ratio is 0.76, the thermal stability is the best and its ΔTx value is 89 K. The plastic strain exhibits a downward trend with the Ni/Cu content ratio increasing, but there exists an abnormally larger value when Ni/Cu content ratio reaches 0.76, indicating good plasticity, and the compressive yield strength has a downward trend over all with fluctuation but no obvious regularity. And the Young's modulus reaches the maximum value of 80 GPa when Ni/Cu content ratio is 0.63, but that of other alloys changes from 58 GPa to 65 GPa. It is concluded that the plastic strain, compressive yield strength and Young's modulus reach their maximum values when Ni/Cu content ratio is 0.63. © 2018, Science Press. All right reserved.
WOS研究方向	Materials Science ; Metallurgy & Metallurgical Engineering
语种	中文
出版者	Science Press
WOS记录号	WOS:000444219500049
内容类型	期刊论文
源URL	[http://ir.lut.edu.cn/handle/2XXMBERH/150452]
专题	兰州理工大学
作者单位	State Key Laboratory of Gansu Advanced Nonferrous Metal Materials, Lanzhou University of Technology, Lanzhou; 730050, China
推荐引用方式 GB/T 7714	Ai, Yajun,S., Kou,W., Zhang,et al. Effect of Ni/Cu Content Ratio on Thermal Stability and Mechanical Properties of Zr-based Amorphous Alloy[J]. Xiyou Jinshu Cailiao Yu Gongcheng/Rare Metal Materials and Engineering,2018,47(8):2585-2591.
APA	Ai, Yajun,S., Kou,W., Zhang,W., Sun,&G., Li.(2018).Effect of Ni/Cu Content Ratio on Thermal Stability and Mechanical Properties of Zr-based Amorphous Alloy.Xiyou Jinshu Cailiao Yu Gongcheng/Rare Metal Materials and Engineering,47(8),2585-2591.
MLA	Ai, Yajun,et al."Effect of Ni/Cu Content Ratio on Thermal Stability and Mechanical Properties of Zr-based Amorphous Alloy".Xiyou Jinshu Cailiao Yu Gongcheng/Rare Metal Materials and Engineering 47.8(2018):2585-2591.