Pulsed Laser Beam Welding of Pd43Cu27Ni10P20 Bulk Metallic Glass

被引：31
作者：
Shao, Ling [1 ,2 ]
Datye, Amit [1 ,3 ,4 ]
Huang, Jiankang [5 ,6 ,7 ]
Ketkaew, Jittisa [1 ]
Sohn, Sung Woo [1 ]
Zhao, Shaofan [1 ]
Wu, Sujun [2 ]
Zhang, Yuming [6 ,7 ]
Schwarz, Udo D. [1 ,3 ,4 ]
Schroers, Jan [1 ,3 ,4 ]
机构：
[1] Yale Univ, Dept Mech Engn & Mat Sci, New Haven, CT 06511 USA
[2] Beihang Univ, Sch Mat Sci & Engn, Beijing 100191, Peoples R China
[3] Yale Univ, Dept Mech Engn, New Haven, CT 06511 USA
[4] Yale Univ, CRISP, New Haven, CT 06511 USA
[5] Lanzhou Univ Technol, State Key Lab Adv Proc & Recycling Nonferrous Met, Lanzhou 730050, Gansu, Peoples R China
[6] Univ Kentucky, Dept Elect & Comp Engn, Lexington, KY 40506 USA
[7] Univ Kentucky, Inst Sustainable Mfg, Lexington, KY 40506 USA
来源：
SCIENTIFIC REPORTS | 2017年 / 7卷
关键词：
NDYAG LASER; ELASTIC-MODULUS; MICROSTRUCTURE; INDENTATION; EVOLUTION; HARDNESS; ZR55AL10NI5CU30; REJUVENATION; TECHNOLOGIES; PERFORMANCE;
D O I：
10.1038/s41598-017-08460-6
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：
We used pulsed laser beam welding method to join Pd43Cu27Ni10P20 (at.%) bulk metallic glass and characterized the properties of the joint. Fusion zone and heat-affected zone in the weld joint can be maintained completely amorphous as confirmed by X-ray diffraction and differential scanning calorimetry. No visible defects were observed in the weld joint. Nanoindentation and bend tests were carried out to determine the mechanical properties of the weld joint. Fusion zone and heat-affected zone exhibit very similar elastic moduli and hardness when compared to the base material, and the weld joint shows high ductility in bending which is accomplished through the operation of multiple shear bands. Our results reveal that pulsed laser beam welding under appropriate processing parameters provides a practical viable method to join bulk metallic glasses.
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页数：7
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