Results 11 to 20 of about 20,005 (243)

Enhanced strength in Co-free Ni47.5-xFe25Cr25AlxTi2.5 high entropy alloys via introducing dual precipitates

Journal of Materials Research and Technology, 2023
Synergistic strengthening mechanisms (e.g. solid solution strengthening, grain/twin boundary strengthening, dislocation strengthening, and precipitation strengthening) have been shown to effectively achieve a balance between strength and ductility of ...
Xiaotao Xu, Yuhong Zhao, Huanqing Li, Xiaobo Zhang, Yue Pan, Shuai Wang, Hua Hou   +6 more
doaj   +1 more source

Mechanical properties and nanoparticles precipitation behavior of multi-component ultra high strength steel

Materials & Design, 2020
This study investigated the precipitation behavior of nanoscale Cu and Ni3Al particles in multi-component ultra-high strength steel (UHSS) and its influence on mechanical properties.
Zhentuan Li, Feng Chai, Li Yang, Xiaobing Luo, Caifu Yang   +4 more
doaj   +1 more source

Influence of Coiling Temperature on Microstructure, Precipitation Behaviors and Mechanical Properties of a Low Carbon Ti Micro-Alloyed Steel

Metals, 2020
The microstructural evolution, nanosized precipitation behaviors and mechanical properties of a Ti-bearing micro-alloyed steel at different coiling temperatures were studied using optical microstructure (OM), scanning electron micrograph (SEM ...
Mingxue Sun, Yang Xu, Wenbo Du
doaj   +1 more source

Multicomponent Precipitation and Strengthening in Intermetallic-Strengthened Alloys

Frontiers in Materials, 2022
Advanced structural materials with superior mechanical properties are of technological importance for industrial applications. Multicomponent precipitation provides a potential approach for designing high-performance alloys and has been receiving ...
J.Y.C. Fang, J.Y.C. Fang, W.H. Liu, T. Yang, Y. Wu, Z.B. Jiao, Z.B. Jiao   +6 more
doaj   +1 more source

Ultra-high work hardening mediated by three-level precipitation in a Ni2CoCr0.5Si0.3Al0.2Ti0.2 medium entropy alloy

Journal of Materials Research and Technology, 2023
The three levels of precipitation with the primary Ni16Ti6Si7 intermetallic, the secondary large-sized L12 phase and the tertiary diffused distributed nanoscale L12 particles is achieved in an aged Ni2CoCr0.5Si0.3Al0.2Ti0.2 medium entropy alloy (MEA ...
Shunhui Luo, Tuanwei Zhang, Hui Chang, Shiyu Du, Zhiming Jiao, Renlong Xiong, Hyoung Seop Kim, Zhihua Wang   +7 more
doaj   +1 more source

Chemical Ordering induced Strengthening in Lightweight Mg Alloys

Nanomaterials, 2022
The influence of structure and composition on precipitation phenomena in Al-bearing BCC/HCP Mg alloys are studied via diffusion couple technique. Interdiffusion induced by the resultant composition gradient results in a change in crystal structure from ...
Yunnuo Duan, Qianfeng Gao, Zijian Zhang, Jiali Zhou, Yuze Li, Zongde Kou, Si Lan, Song Tang   +7 more
doaj   +1 more source

Coherent Precipitation and Strengthening in Compositionally Complex Alloys: A Review

Entropy, 2018
High-performance conventional engineering materials (including Al alloys, Mg alloys, Cu alloys, stainless steels, Ni superalloys, etc.) and newly-developed high entropy alloys are all compositionally-complex alloys (CCAs).
Qing Wang, Zhen Li, Shujie Pang, Xiaona Li, Chuang Dong, Peter K. Liaw   +5 more
doaj   +1 more source

Microbial-Induced Carbonate Precipitation for Strengthening Soft Clay

Advances in Materials Science and Engineering, 2020
Currently, calcite produced in sediments by microbial-induced carbonate precipitation (MICP) is mainly used as a strengthening binder in sand because sands are porous and have good permeability.
J. Z. Xiao, Y. Q. Wei, H. Cai, Z. W. Wang, T. Yang, Q. H. Wang, S. F. Wu   +6 more
doaj   +1 more source

Effect of pre-aging on microstructure and mechanical properties of Al-Mg-Si alloy containing 0.1%In

Cailiao gongcheng, 2023
The combined effect of trace addition of In and different pre-aging processes on the microstructure and mechanical properties for Al-Mg-Si alloys was investigated by using hardness test, tensile test, scanning electron microscope (SEM) and transmission ...
XU Yaqi, WENG Yaoyao, CHEN Jiahao, ZHANG Zongqing, XIE Maoxuan, SUN Qichen   +5 more
doaj   +1 more source

Simultaneously enhanced strength and ductility in graphene nanosheet/Al-Cu-Mg nano-laminated composites by incorporating coarse domains

Materials Research Letters, 2023
A heterogeneous structure by designing soft/hard domains with dramatically different strengths is effective to maintain the high ductility of metals but it sacrifices the yield strength.
Haoyu Teng, Zhanqiu Tan, Xihang Zhao, Genlian Fan, Zhenming Yue, Zhiqiang Li, Ding-Bang Xiong   +6 more
doaj   +1 more source