Results 1 to 10 of about 91,724 (299)

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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Study on Densification and Corrosion Resistance of Conversion Coatings on Magnesium Alloy Wheel Hubs Surface [PDF]

Cailiao Baohu, 2021
In order to improve the corrosion resistance of magnesium alloy wheel hub, a low - cost, environmentally friendly and corrosion - resistant conversion coating was prepared on the surface of magnesium alloy wheel hub.
HE Wei - li, ZHANG Qing - feng, SUI Li - ming, LUO Xin - min
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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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STRUCTURAL PARAMETERS OF CONCRETE CORROSION RESISTANCE [PDF]

Journal of Engineering Science (Chişinău), 2021
This article describes the problem of corrosion of concrete at the enterprises of the wine and fruit and vegetable industry in Moldova, the kind of organic acids that destroy concrete are considered. Such a specific type of chemical corrosion as leaching
ELETCHIH, Albina
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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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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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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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Research Progress of Influence Law of Alloying Elements on Corrosion Resistance of Low Alloy Structural Steel [PDF]

Cailiao Baohu, 2022
Alloying control is an effective method to improve the corrosion resistance of low alloy structural steels. Different kinds of alloying elements have different influence law on the corrosion resistance of steels.
CHEN Yongfeng, ZUO Xiaotan, LI Xuan, TAO Qunnan, LIU Chao, CHENG Xuequn, LI Xiaogang
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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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