Search Results - "Liu, Maowen"

Simultaneously enhanced strength and strain hardening capacity in FeMnCoCr high-entropy alloy via harmonic structure design by Li, Guodong, Liu, Maowen, Lyu, Shaoyuan, Nakatani, Masashi, Zheng, Ruixiao, Ma, Chaoli, Li, Qiushi, Ameyama, Kei

“…Harmonic structure (HS), consisting of coarse-grained (CG) areas uniformly embedded in three dimensional continuously connected ultrafine-grained (UFG) areas,…”
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Towards strength-ductility synergy through hierarchical microstructure design in an austenitic stainless steel by Zheng, Ruixiao, Liu, Maowen, Zhang, Zhe, Ameyama, Kei, Ma, Chaoli

“…An austenitic stainless steel with precisely controlled hierarchical microstructure consisting of statically recrystallized grains (SRGs), nanograins (NGs) and…”
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Rediscovery of Hall-Petch strengthening in bulk ultrafine grained pure Mg at cryogenic temperature: A combined in-situ neutron diffraction and electron microscopy study by Zheng, Ruixiao, Gong, Wu, Du, Jun-ping, Gao, Si, Liu, Maowen, Li, Guodong, Kawasaki, Takuro, Harjo, Stefanus, Ma, Chaoli, Ogata, Shigenobu, Tsuji, Nobuhiro

“…Grain refinement can lead to the strengthening of metallic materials according to the Hall-Petch relationship. However, our recent results suggested that grain…”
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Ultra-strong, ductile and thermally stable ultrafine grained 5083 Al alloy fabricated by high pressure torsion using pre-sintered powders by Liu, Maowen, Zheng, Ruixiao, Ma, Chaoli, Tsuji, Nobuhiro

“…This work developed a novel strategy that employed powder metallurgy, high pressure torsion and subsequent annealing treatment to prepare fully recrystallized…”
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Imaging the deformation-induced accumulation of defects in nanoporous gold by Liu, Maowen, Weissmüller, Jörg

“…Nanoporous gold (NPG) provides a model material for studying small-scale deformation and the mechanical behavior of network solids. We report a transmission…”
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Phase decomposition in nanoporous Au-Pt by Liu, Maowen, Weissmüller, Jörg

“…[Display omitted] This study explores microstructure and phase decomposition in nanoporous Au-Pt made by dealloying. The starting alloy, Ag75Au12.5Pt12.5,…”
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Synergistic effects of Gd and Zr on grain refinement and eutectic Si modification of Al-Si cast alloy by Liu, Wenyi, Xiao, Wenlong, Xu, Cong, Liu, Maowen, Ma, Chaoli

“…The effects of Gd and/or Zr additions on the grain refinement and eutectic Si modification of A356 cast alloys have been systematically investigated. The…”
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Achieving excellent mechanical properties in type 316 stainless steel by tailoring grain size in homogeneously recovered or recrystallized nanostructures by Liu, Maowen, Gong, Wu, Zheng, Ruixiao, Li, Jin, Zhang, Zhe, Gao, Si, Ma, Chaoli, Tsuji, Nobuhiro

“…One hopeful path to realize good comprehensive mechanical properties in metallic materials is to accomplish homogeneous nanocrystalline (NC) or ultrafine…”
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Achieving ultrahigh tensile strength of 1 GPa in a hierarchical nanostructured 2024 Al alloy by Liu, Maowen, Zheng, Ruixiao, Li, Jin, Ma, Chaoli

“…A novel hierarchical nanostructure consisting of nanoscale grains (~115 nm), subgrains (~36 nm), needle-shaped S’/S precipitates (Al2CuMg, 6–16 nm in length)…”
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Effects of multi-stage aging treatments on the precipitation behavior and properties of 7136 aluminum alloy by Wang, Yingchen, Liu, Maowen, Xiao, Wenlong, Zhao, Weitao, Ma, Chaoli

“…The solutionized 7136 Al alloy was heat treated by one-step aging, two-step aging, retrogression and re-aging (RRA) and RRA plus further aging treatment,…”
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Excellent thermal stability and mechanical properties of bulk nanostructured FeCoNiCu high entropy alloy by Zhang, Yitan, Liu, Maowen, Sun, Jingyong, Li, Guodong, Zheng, Ruixiao, Xiao, Wenlong, Ma, Chaoli

“…In this work, we report bulk nanostructured equiatomic FeCoNiCu high-entropy alloy (HEA) with superior thermal stability and decent mechanical properties. High…”
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Bulk nanostructured Al-Si alloy with remarkable improvement in strength and ductility by Liu, Maowen, Zheng, Ruixiao, Xiao, Wenlong, Li, Jin, Li, Guodong, Peng, Qiuming, Ma, Chaoli

“…Refinement of microstructure for metallic materials alloyed by low-soluble elements has always been a difficult task. Here we propose a novel two-step route to…”
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Efficient production of kilometer-scale ultrafine aluminum wire with superior strength and electrical conductivity by Zhang, Yanchen, Zheng, Ruixiao, Liu, Maowen, Li, Guodong, Li, Mingxi, Zhang, Haiping, Lu, Yuanyuan, Ma, Chaoli

“…The rapid development of new energy vehicles has generated considerable interest in the efficient production of ultrafine aluminum electronic wiring harnesses…”
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Concurrent enhancement of strength and ductility for Al-Si binary alloy by refining Si phase to nanoscale by Liu, Maowen, Zheng, Ruixiao, Xiao, Wenlong, Yu, Xiaohui, Peng, Qiuming, Ma, Chaoli

“…The present study suggests a novel method of simultaneous improvement of strength and ductility for Al-7 wt% Si binary alloy by tailoring the precipitation of…”
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Achieving superior strength and ductility synergy in bulk ultrafine grained Al-Mg-Sc-Zr alloy via powder pre-aging by Li, Mingxi, Liu, Jiashuo, Zheng, Ruixiao, Li, Guodong, Liu, Maowen, Lu, Yuanyuan, Xiao, Wenlong, Ma, Chaoli

“…•Recrystallized ultrafine grains and high-density nano-precipitates were obtained simultaneously in al alloy via powder pre-aging.•The KWN model was…”
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Self-Detachment and Subsurface Densification of Dealloyed Nanoporous Thin Films by Henkelmann, Gideon, Waldow, Diana, Liu, Maowen, Lührs, Lukas, Li, Yong, Weissmüller, Jörg

“…Experiment shows thin films of dealloyed nanoporous gold (NPG) spontaneously detaching from massive gold base layers. NPG can also densify near its external…”
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Effects of alloying composition on the microstructures and mechanical properties of Mg-Al-Zn-Ca-RE magnesium alloy by Wang, Fang, Xiao, Wenlong, Liu, Maowen, Chen, Jing, Li, Xiang, Xi, Jiabing, Ma, Chaoli

“…With the purpose of increasing our understanding of the microstructural evolution and mechanical properties of Mg-Al-Zn-Ca-RE system alloy, Mg-xAl-(8-x)Zn-4Ca…”
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Precipitation kinetics and hardening mechanism in Al-Si solid solutions processed by high pressure solution treatment by Liu, Maowen, Fu, Hui, Xu, Cong, Xiao, Wenlong, Peng, Qiuming, Yamagata, Hiroshi, Ma, Chaoli

“…A dense uniform distribution of nanoscale Si precipitates in Al-Si binary alloys were achieved using high pressure solution treatment and aging treatment…”
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Effects of Trace Al Addition on the Microstructure, Hot Deformation Behavior and Mechanical Properties of High-Strength Mg-Gd-Y-Zn Magnesium Alloy by Li, Xiang, Xiao, Wenlong, Lyu, Shaoyuan, Liu, Maowen, Ma, Chaoli

“…The effects of 0.2 wt pct Al addition on the microstructure, hot deformation behavior and mechanical properties of Mg-8Gd-4Y-1Zn alloy were investigated. The…”
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Nucleation and growth mechanisms of nano-scaled Si precipitates in Al-7Si supersaturated solid solution by Liu, Maowen, Fu, Hui, Tian, Lixi, Xiao, Wenlong, Peng, Qiuming, Ma, Chaoli

“…A dense uniform distribution of nano-scaled Si precipitates has been achieved in Al-7Si alloy by high pressure solution treatment (HPST) and aging treatment…”
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