Zobrazeno 1 - 10
of 48
pro vyhledávání: '"Renheng HAN"'
Publikováno v:
Medžiagotyra, Vol 29, Iss 3, Pp 291-297 (2023)
In this experiment, Ti-44Al-9Nb-1Cr-0.2W-0.2Y alloy was prepared by the directional solidification method. The effect of different growth rates on tensile properties and microstructure orientation at high temperature was studied. Three kinds of alloy
Externí odkaz:
https://doaj.org/article/1e9387dc3cb2436ba5e24bc37b432c6e
Publikováno v:
Medžiagotyra, Vol 28, Iss 4, Pp 408-413 (2022)
This work studied Mo-TiC-xCr (x = 0.0, 0.5, 1.0 wt.%) matrix composites with different component gradients prepared by Spark Plasma Sintering (SPS). The high-temperature oxidation test was conducted at 1200 ℃ in the atmosphere to study the influenc
Externí odkaz:
https://doaj.org/article/f9e312d2b77b41ae9d68f29babe7590f
Autor:
Xiaopeng LI, Renheng HAN, Youshui XIE, Yan LI, Yalong GAO, Xiaoming WANG, Qiuju ZHU, Hexin ZHANG, Chengzhi ZHAO
Publikováno v:
Medžiagotyra, Vol 28, Iss 3, Pp 309-314 (2022)
In this paper, fracture morphology observation, microstructure analysis, standard corrosion test, and other experimental methods are used to analyze the causes of corrosion and cracking of steam turbine blades (0Cr19Ni9) produced by a certain company
Externí odkaz:
https://doaj.org/article/6dfa500b512345e485085795aa6b02c9
Publikováno v:
Medžiagotyra, Vol 28, Iss 2, Pp 171-177 (2022)
In this paper, the Titanium carbide/Molybdenum (TiC/Mo) alloy was prepared by spark plasma sintering (SPS). The oxidation process of the TiC/Mo alloy at different oxidation temperatures was studied, and the oxidation mechanism was discussed in depth.
Externí odkaz:
https://doaj.org/article/c2d88a7773c844a584f5b06fd8ed5d9f
Autor:
Ziming BAO, Renheng HAN, Yanqing ZHU, Hong LI, Ning LI, Ming TANG, Hexin ZHANG, Chengzhi ZHAO
Publikováno v:
Medžiagotyra, Vol 28, Iss 2, Pp 164-170 (2022)
The research focuses on the high temperature oxidation resistance of martensitic heat-resistant steel. A new type of martensitic heat-resistant steel was developed with the addition of Al and Cu, and the oxidation behavior of the new martensitic heat
Externí odkaz:
https://doaj.org/article/f42c8dae4204438db1757318fa6b76e1
Publikováno v:
Medžiagotyra, Vol 27, Iss 4, Pp 400-406 (2021)
A new type of hot working die steel was designed by using JMatPro, and high-temperature oxidation tests were carried out in the ambient atmosphere at 600 ℃ and 700 ℃. The heat treatment process and oxidation mechanism of the designed 4Cr4Mo2NiMnS
Externí odkaz:
https://doaj.org/article/656120afd81d4bd49ad45e33ccbd0d0d
Publikováno v:
International Journal of Analytical Chemistry, Vol 2022 (2022)
In this research article, the molybdenum alloy was prepared by solid-solid doping, selecting pure Mo powder, amorphous Si powder, and B powder as the experimental raw materials for SLM molding. The density and mechanical properties of Mo-Si-B alloys
Externí odkaz:
https://doaj.org/article/a1f38ec4973e4f8296433877f973edd5
The effect of laser power and scanning speed on forming structure in selective laser melting process
Publikováno v:
Materials Research Express, Vol 9, Iss 5, p 056517 (2022)
With the continuous development of ship technology, the usage environment of some parts has changed, with higher requirements for materials and preparation technology being put forward. Some traditional structural materials have do not meet the actua
Externí odkaz:
https://doaj.org/article/12677ec16a9643dcb7d718411241a255
Autor:
Chengzhi Zhao, Ning Li, Ziming Bao, Hexin Zhang, Renheng Han, Ming Tang, Hong Li, Yanqing Zhu
Publikováno v:
Medžiagotyra (2021)
The research focuses on the high temperature oxidation resistance of martensitic heat-resistant steel. A new type of martensitic heat-resistant steel was developed with the addition of Al and Cu, and the oxidation behavior of the new martensitic heat
Publikováno v:
Materials Research Express, Vol 8, Iss 1, p 016517 (2021)
The surface of steel substrate was pretreated by nickel plating and Aluminum/nickel-plated steel bimetal was prepared by compound casting. After liquid aluminum was casted on the surface of the nickel-plated steel, it was placed in a heat preservatio
Externí odkaz:
https://doaj.org/article/a3e906cb84264c7fbd4d8314a89a25e7