Acta Metallurgica Sinica (English Letters) ›› 2019, Vol. 32 ›› Issue (1): 127-135.DOI: 10.1007/s40195-018-0752-2
• Orginal Article • Previous Articles Next Articles
Dian-Zheng Wang1, Kai-Lun Li1, Chen-Fan Yu1, Jing Ma1, Wei Liu1(), Zhi-Jian Shen1,2()
Received:
2018-02-22
Revised:
2018-03-27
Online:
2019-01-10
Published:
2019-01-18
Contact:
Liu Wei,Shen Zhi-Jian
About author:
Author brief introduction:Dao-Kui Xu Professor of IMR, CAS, and “Young Merit Scholar” of Corrosion Center in the Institute of Metal Research (IMR), Chinese Academy of Sciences (CAS). He achieved Ph.D. degree from IMR, CAS, in 2008, during which he obtained “Chinese Academy of Sciences-BHP Billiton” Scholarship award, “Shi Changxu” Scholarship award and “Zhu-LiYueHua” Excellent Doctorate Student Scholarship of Chinese Academy of Sciences. He worked as a Research Fellow in ARC Center of Excellence, Design of Light Metals, Department of Materials Engineering, Monash University, Australia (2008.10-2011.10). He published more than 60 peer-reviewed scientific papers, attended 20 invited lectures and holds seven patents. His papers were cited more than 1200 times. His research interests mainly include: (1) fatigue behavior and fracture toughness of light metals, such as Mg, Al and Ti alloys; (2) effects of alloying, heat treatment and thermomechanical processes on the microstructural evolution and mechanical improvement of light metals; (3) corrosion, stress corrosion cracking and corrosion fatigue behavior of lightweight alloys; and (4) design of new lightweight alloys with a good balance of properties in terms of mechanical property and corrosion resistance.
Dian-Zheng Wang, Kai-Lun Li, Chen-Fan Yu, Jing Ma, Wei Liu, Zhi-Jian Shen. Cracking Behavior in Additively Manufactured Pure Tungsten[J]. Acta Metallurgica Sinica (English Letters), 2019, 32(1): 127-135.
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Fig. 2 Schematic illustration of scanning strategies of a no scanning rotation, no remelting, b scanning rotation, no remelting, c scanning rotation and remelting, d illustration of pulse laser mode, e picture of pure tungsten bulks manufactured under scanning strategies (1)-(3) in order from left to right (BD: building direction; SD: laser scanning direction; TD: transverse direction)
Fig. 7 Cracking in tungsten fabricated with no scanning rotation and no remelting: a SEM image of top face; b EBSD mapping of a; c SEM image of side face; d EBSD mapping of c
Fig. 8 Cracking in tungsten fabricated under scanning rotation of 67° without remelting: a EBSD mapping of top face; b SEM image of side face; c EBSD mapping of b
Fig. 9 Cracking in tungsten fabricated under scanning rotation of 67° with remelting (the remelting SD is vertical to primary SD): a EBSD mapping of top face; b SEM image of side face; c EBSD mapping of b
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