Search Results - "Sun, Zhongji"

Simultaneously enhanced strength and ductility for 3D-printed stainless steel 316L by selective laser melting by Sun, Zhongji, Tan, Xipeng, Tor, Shu Beng, Chua, Chee Kai

“…Laser-based powder-bed fusion additive manufacturing or three-dimensional printing technology has gained tremendous attention due to its controllable, digital,…”
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Reducing hot tearing by grain boundary segregation engineering in additive manufacturing: example of an AlxCoCrFeNi high-entropy alloy by Sun, Zhongji, Tan, Xipeng, Wang, Chengcheng, Descoins, Marion, Mangelinck, Dominique, Tor, Shu Beng, Jägle, Eric A., Zaefferer, Stefan, Raabe, Dierk

“…One major hindrance that alloy design for additive manufacturing (AM) faces nowadays is hot tearing. Contrary to the previous works which either try to reduce…”
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Thermodynamics-guided alloy and process design for additive manufacturing by Sun, Zhongji, Ma, Yan, Ponge, Dirk, Zaefferer, Stefan, Jägle, Eric A., Gault, Baptiste, Rollett, Anthony D., Raabe, Dierk

“…In conventional processing, metals go through multiple manufacturing steps including casting, plastic deformation, and heat treatment to achieve the desired…”
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Green laser powder bed fusion based fabrication and rate-dependent mechanical properties of copper lattices by Kang, Sung-Gyu, Gainov, Ramil, Heußen, Daniel, Bieler, Sören, Sun, Zhongji, Weinberg, Kerstin, Dehm, Gerhard, Ramachandramoorthy, Rajaprakash

“…[Display omitted] •Cu architectures with dense microstructure and well-defined complex geometries are achievable through L-PBF with green laser.•Cu lattice…”
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Near-theoretical strength and deformation stabilization achieved via grain boundary segregation and nano-clustering of solutes by Liu, Chang, Rao, Jing, Sun, Zhongji, Lu, Wenjun, Best, James P., Li, Xuehan, Xia, Wenzhen, Gong, Yilun, Wei, Ye, Zhang, Bozhao, Ding, Jun, Wu, Ge, Ma, En

“…Grain boundary hardening and precipitation hardening are important mechanisms for enhancing the strength of metals. Here, we show that these two effects can be…”
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Laser powder bed fusion of 316L stainless steel and K220 copper multi-material by Zhongji Sun, Chao Tang, Verner Soh, Coryl Lee, Xiaoxiang Wu, Swee Leong Sing, Alexander ZhongHong Liu, Siyuan Wei, Kun Zhou, Cheng Cheh Tan, Pei Wang, Chee Kai Chua

“…Multi-material additive manufacturing holds immense potential for performance and functionality enhancement. Past research efforts primarily focused on the…”
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Laser-based directed energy deposition of Monel K-500 and Stellite 6 multi-materials by Chen, Ze, Sun, Zhongji, Qi, Yang, Fan, Wei, Liang, Verner Soh Qun, Kandukuri, Sastry Yagnanna, Bartolo, Paulo Jorge Da Silva, Zhou, Kun

“…Laser-based directed energy deposition (L-DED) offers significant advantages for repairing metal structures, particularly in the marine and offshore industry…”
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Thermodynamics‐Guided High‐Throughput Discovery of Eutectic High‐Entropy Alloys for Rapid Solidification by Han, Liuliu, Sun, Zhongji, Xia, Wenzhen, Tsai, Shao‐Pu, Zhang, Xukai, Rao, Jing, Wang, Pei, Ngo, Andrew Chun Yong, Li, Zhiming, Liu, Yong, Raabe, Dierk

“…Excellent castability, significantly refined microstructure, and good mechanical properties make eutectic high‐entropy alloys (EHEAs) a natural fit for rapid…”
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In-situ heating TEM observation of solidification cell evolutions in an Al-Fe alloy built by laser-powder bed fusion by Wang, Ji-Yun, Soh, Verner, Wang, Pei, Tsao, Tzu-Ching, Chu, Ming-Wen, Lee, Ming-Hao, Sun, Zhongji, Tsai, Shao-Pu

“…•AlFeSiMoZr alloy was built by laser-powder bed fusion.•Thermal stability of cellular structures was confirmed up to 300 °C in the studied alloy by in-situ…”
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Crack mitigation in additively manufactured AlCrFe2Ni2 high-entropy alloys through engineering phase transformation pathway by Mooraj, Shahryar, Dong, Xizhen, Zhang, Shengbiao, Zhang, Yanming, Ren, Jie, Guan, Shuai, Li, Chenyang, Naorem, Rameshwari, Argibay, Nicolas, Chen, Wei, Yan, Wentao, Raabe, Dierk, Sun, Zhongji, Chen, Wen

“…The far-from-equilibrium solidification during additive manufacturing often creates large residual stresses that induce solid-state cracking. Here we present a…”
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Selective laser melting of stainless steel 316L with low porosity and high build rates by Sun, Zhongji, Tan, Xipeng, Tor, Shu Beng, Yeong, Wai Yee

“…The present study employs fast scanning speeds to fabricate high-density stainless steel 316L (SS316L) parts via selective laser melting (SLM). It aims to…”
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A large-volume 3D EBSD study on additively manufactured 316L stainless steel by Sun, Zhongji, Tsai, Shao-Pu, Konijnenberg, Peter, Wang, Ji-Yun, Zaefferer, Stefan

“…Most microstructure characterization tools are based on the observation of two-dimensional (2D) sections through a material. The results allow, for…”
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Extraordinary ductility in the 75W–25Cu composite at elevated temperatures by Zhang, Mi, Guo, Wenqi, Li, Guoju, Zhao, Haigen, Pei, Yanling, Soh, Verner, Wang, Pei, Sun, Zhongji, Wu, Xiaoxiang

“…The high-temperature mechanical properties are an essential indicator in the application of W–Cu composites. In this study, a 75W–25Cu composite with high…”
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Additive manufacturing of sustainable and heat-resistant Al-Fe-Mo-Si-Zr alloys by Sun, Zhongji, Roscher, Moritz, Paolantonio, Mario Claudio, Soh, Verner, Liu, Chang, Tsai, Shao-Pu, Ng, Chee Koon, Tan, Cheng Cheh, Wang, Pei, Jägle, Eric A.

“…Improving the sustainability of metals and alloys is essential for slowing down global warming. The reason is that their extraction and production stand for…”
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Laser powder bed fusion of crack-susceptible stainless maraging steel undergoing solid-state phase transformations by Sun, Zhongji, Sun, Binhan, Soh, Verner, Lee, Coryl, Lau, Desmond, Wei, Fengxia, Silva, Alisson Kwiatkowski da, Lin, Ming, Tan, Cheng Cheh, Wang, Pei, Ramamurty, Upadrasta

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Corrigendum to “Selective laser melting of stainless steel 316L with low porosity and high build rates” [Mater. Des. 104 (2016) 197–204] by Sun, Zhongji, Tan, Xipeng, Tor, Shu Beng, Yeong, Wai Yee

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Green laser powder bed fusion based fabrication and rate-dependent mechanical properties of copper lattices by Kang, Sung-Gyu, Gainov, Ramil, Heußen, Daniel, Bieler, Sören, Sun, Zhongji, Weinberg, Kerstin, Dehm, Gerhard, Ramachandramoorthy, Rajaprakash

“…Lattice structures composed of periodic solid frames and pores can be utilized in energy absorption applications due to their high specific strength and large…”
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Microstructure of a spark-plasma-sintered Fe2VAl-type Heusler alloy for thermoelectric application by Gomell, Leonie, Dirba, Imants, Bishara, Hanna, Sun, Zhongji, Żrodowski, Łukasz, Choma, Tomasz, Morończyk, Bartosz, Dehm, Gerhard, Skokov, Konstantin P, Gutfleisch, Oliver, Gault, B

“…The influence of microstructure on thermoelectricity is increasingly recognized. Approaches for microstructural engineering can hence be exploited to enhance…”
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