Results 61 to 70 of about 375,819 (145)

Microstructure and mechanical properties of superalloy GH4169 for supercritical water reactor after service

Cailiao gongcheng
Microstructures and mechanical properties of GH4169 alloy cylinder and its weld joints in a supercritical water reactor are studied after operating 2000 h.
LIU Yi, ZHU Cheng, BAN Zihui, LI Yingju, FENG Yaxin, ZHANG Zhentao, YANG Yuansheng   +6 more
doaj   +1 more source

Fatigue life prediction for Ni-based superalloy GH4169 considering machined surface roughness and residual stress effects [PDF]

, 2021
Establishing a fatigue life prediction model considering the machined surface state is of great significance to improve fatigue life prediction accuracy. Fatigue tests with different machined surface states of GH4169 alloy were conducted firstly.
Yang, X., Wu, Z. R., Pan, L., Wang, S. Q., Song, Y. D.   +4 more
core  

Effect of building height on microstructure and mechanical property of GH4169 alloy fabricated by selective laser melting

Cailiao gongcheng
Selective laser melting （SLM） technology can fabricate components with highly intricate geometries. Nevertheless， due to its layer-by-layer construction process，SLM inevitably leads to variations in microstructures and mechanical properties along the ...
SU Jie, WU Junkang, MA Xin, ZHANG Yi, WANG Yan, TAN Liming, HUANG Lan, LIU Feng   +7 more
doaj   +1 more source

Combustion behavior of GH4169 and GH4202 superalloys in oxygen-enriched atmosphere

工程科学学报, 2016
Ignition-combustion test was carried out and the combustion samples of GH4169 and GH4202 superalloys were ana-lyzed by using optical microscopy, scanning electron microscopy and energy dispersive spectrometry.
WANG Hong-liang, HUANG Jin-feng, LIAN Yong, ZHANG Cheng, ZHOU Qi-ming, LI Shu-kai, XUAN Tong   +6 more
doaj   +1 more source

Experimental Study on Thermostatic Cutting Nickel-Base Superalloy GH4169

, 2010
Nickel-base super alloy GH4169 is difficult to cutting and tool wear is very serious, because of its high strength, poor thermal conductivity, and serious work-hardening.
Zhao Peng Hao, R.D. Han, D. Gao
core   +1 more source

Recast layer evolution and corrosion behavior of different metallic materials subjected to electric arc–electrochemical machining

Journal of Materials Research and Technology
Electrical arc machining (EAM) provides high material removal efficiency for difficult-to-machine metallic materials but readily produces recast layers and surface defects that may deteriorate corrosion resistance.
Yue Zhao, Shengsheng Zhang, Shifeng Wen, Yan Zhou, Jianping Zhou   +4 more
doaj   +1 more source

A Numerical Simulation of Microstructure Evolution of GH4169 Alloy Blade during Finish Forging

, 2011
In order to predict the microstructure evolution and grain size of GH4169 alloy blade in finish forging process and optimize the parameters, a coupled simulation between thermal mechanical and microstructure evolution was realized through embedding the ...
Rui Bin Mei, F Wang, L Bao, G. X. Qi
core   +1 more source

Microstructure and Tensile Deformation Features of Tandem Hot Rolling GH4169 Superalloy

High Temperature Materials and Processes, 2014
By means of solution treatment, microstructure observation and mechanical property measurement, the microstructure and tensile deformation features of tandem hot rolling GH4169 alloy have been investigated.
Li Zhenrong, Ma Chunlei, Tian Sugui, Chen Liqing, Liu Xianghua   +4 more
doaj   +1 more source

Impact on Mechanical Properties and Microstructural Response of Nickel-Based Superalloy GH4169 Subjected to Warm Laser Shock Peening

, 2020
Laser shock peening (LSP), as an innovative surface treatment technology, can effectively improve fatigue life, surface hardness, corrosion resistance, and residual compressive stress. Compared with laser shock peening, warm laser shock peening (WLSP) is
Wu, Jiajun, Yuqi Yang, Hongchao Qiao, Hu, Xianliang, Jibin Zhao, Xianliang Hu, Qiao, Hongchao, Yuling Yang, Zhao, Jibin, Boyu Sun, Lu, Ying, Yang, Yuqi, Ying Lu, Sun, Boyu, Yang, Yuling, Jiajun Wu   +15 more
core   +2 more sources

Deformation Mechanisms of Tandem Hot Rolled GH4169 Superalloy during Creep

High Temperature Materials and Processes, 2014
By means of direct aged treatment, creep property measurement and high resolution TEM microstructure observation, the deformation mechanisms of Tandem Hot Rolled GH4169 superalloy during creep are investigated.
Li Zhenrong, Ma Chunlei, Tian Sugui, Chen Liqing, Liu Xianghua   +4 more
doaj   +1 more source