Results 1 to 10 of about 3,927,971 (264)

Study on High Temperature Resistance and Process of Tin Coating [PDF]

Cailiao Baohu, 2023
Aiming at the problems such as high temperature shrinkage and discoloration of tin plating on copper-based lead frames, as well as poor resistance to salt water corrosion at room temperature, different electroplating processes were used to analyse the ...
LIU De-qiang, ZHOU Sheng-feng
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Evaluation of Internal Stresses in Modified Near-Surface Layer of 20Kh13 Steel during Incubation Period of Water Droplet Impact Erosion

Energies, 2022
This study investigates the change in internal stresses of ion nitrided and Cr–CrC ion-plasma-coated 20Kh13 steel samples during the incubation period of the droplet impact erosion.
Alexey Mednikov, Olga Zilova, Aleksandr Tkhabisimov, Gennady Kachalin, Artem Ryzhenkov, Sergey Grigoriev   +5 more
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Amorphous alloy reinforced Cu-based immiscible coatings by laser melting deposition: Separation mechanism and corrosion behavior

Materials & Design, 2023
In order to clarify the effect of Fe-based amorphous alloy on the separation mechanism and corrosion behavior of Cu-based immiscible coatings, 10 wt% Fe-based amorphous powder was designed into 90 wt% pure Cu powder to produce the amorphous alloy ...
Shengfeng Zhou, Junjie Yang, Cheng Deng, Jianbo Jin, Lianxi Hu, Yang Lu   +5 more
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Cracking mechanism and control of Hastelloy X prepared by laser powder bed fusion

Journal of Materials Research and Technology, 2022
In this study, orthogonal experiments were carried out under different processing parameters to tackle the cracking issue of Hastelloy X (HX) fabricated by laser powder bed fusion (LPBF).
Jun Hu, Yunlong Hu, Cunxiao Lan, Qiang Zhang, Feng Jin, Wei Li, Xin Lin, Weidong Huang   +7 more
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Nano Serpentine Powders as Lubricant Additive: Tribological Behaviors and Self-Repairing Performance on Worn Surface

Nanomaterials, 2020
Natural serpentine powders are applicable as additives for various lubricating oils. However, no uniform theories explain their tribological performance, lubrication, and wear mechanism, especially their self-repairing mechanism. Herein, the influence of
Binbin Wang, Zhaodong Zhong, Han Qiu, Dexin Chen, Wei Li, Shuangjian Li, Xiaohui Tu   +6 more
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The role of initial grain size on bimodal-grained microstructure and mechanical properties of an extruded Mg-Gd-Y-Nd-Zr alloy

Journal of Materials Research and Technology, 2023
：: Influence of initial grain size on the formation of bimodal-grained microstructure and mechanical properties of a Mg-11Gd-3Y-0.5Nd–Zr alloy was investigated.
Changping Tang, Lei Cui, Haichun Jiang, Wenhui Liu, Jing Li, Xiao Liu, Heng Li   +6 more
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The oxidation behavior of a ductile Hf0.5Nb0.5Ta0.5Ti1.5Zr refractory high-entropy alloy in pure oxygen condition at 500–900 °C

Journal of Materials Research and Technology, 2023
In this study, the oxidation behavior of Hf0.5Nb0.5Ta0.5Ti1.5Zr refractory high-entropy alloy (RHEA) was investigated at temperature range of 500–900 °C in pure oxygen condition, and the oxidation mechanism was systemically discussed.
Y.Z. Wang, N. Gao, X.W. Liu, W.M. Chen, H.T. Zheng   +4 more
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Effect of Molybdenum on the Wear Resistance of High Chromium Cast Iron Grate Bar in Sintering Machine Trolleys [PDF]

Cailiao Baohu, 2021
In order to understand the influence of molybdenum on the wear performance of high chromium cast iron grate bar in sintering machine trolleys, the abrasive wear resistance and the erosion - abrasive wear resistances of two different kinds of high ...
LI Chun - jiang, WANG Ruo - yu, WU Gen - lu, ZHANG Yong - feng, CHEN Zheng, SI Song - hua
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Reliability Evaluation Based on Mathematical Degradation Model for Vacuum Packaged MEMS Sensor

Micromachines, 2022
Vacuum packaging is used extensively in MEMS sensors for improving performance. However, the vacuum in the MEMS chamber gradually degenerates over time, which adversely affects the long-term performance of the MEMS sensor. A mathematical model for vacuum
Guizhen Du, Xianshan Dong, Xinglong Huang, Wei Su, Peng Zhang   +4 more
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Effects of Powder Feed Rate on Formation of Fully Equiaxed β Grains in Titanium Alloys Fabricated by Directed Energy Deposition

Metals, 2020
A near β titanium alloy, Ti5Al2Sn2Zr4Mo4Cr, was fabricated by directed energy deposition (DED) with different powder feed rates to investigate the formation of fully equiaxed β grains.
Qiang Zhang, Siyu Zhang, Min Zheng, Yongchao Ou, Shang Sui, Jing Chen, Xiaojian Wang, Wei Li   +7 more
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