Zobrazeno 1 - 10
of 127
pro vyhledávání: '"Yongchun GUO"'
Publikováno v:
Journal of Materials Research and Technology, Vol 21, Iss , Pp 4002-4011 (2022)
The impact wear mechanism of compacted graphite cast iron (CGI) at different temperatures (room temperature, 300 °C, 400 °C, and 500 °C) and impact frequencies (10 Hz, 12 Hz, and 14 Hz) was analyzed. The mass losses increase with test temperatures
Externí odkaz:
https://doaj.org/article/9b8f5a76103b49cc86f22732b2e52045
Autor:
Feng Xia, Xigang Yang, Yiye Yan, Minxian Liang, Yongchun Guo, Siyu Yang, Zhijun Ma, Chan Wang, Zhongwei Zhang, Qidi Zhou, Jilin Liu
Publikováno v:
Materials Research Express, Vol 11, Iss 9, p 096514 (2024)
Titanium alloys are considered one of the most promising materials. However, their poor thermal expansion property remains a major obstacle to their widespread application. In this study, we explored an innovative design strategy to tune the thermal
Externí odkaz:
https://doaj.org/article/834e59b33fef4f87b1bc96344b8b2927
Publikováno v:
Shuiwen dizhi gongcheng dizhi, Vol 49, Iss 3, Pp 87-93 (2022)
Aiming at the problem that the swelling force of the red-bed mudstone is smaller than the theoretical value according to the code, this paper develops a triaxial swelling force device for the swelling rock. By placing the sample first and then restra
Externí odkaz:
https://doaj.org/article/0aa14153d9be4ffdbaaa20ee907b3b4c
Publikováno v:
Shuiwen dizhi gongcheng dizhi, Vol 48, Iss 6, Pp 105-112 (2021)
The thickness of hydration film of clay particles is the theoretical basis of swelling mechanism of argillaceous expansive rock and soil. There are abundant data on the measurement of clay particle hydration film thickness, but the study of the measu
Externí odkaz:
https://doaj.org/article/d6746fda30c8469fa369ac5d8615235b
Publikováno v:
Frontiers in Bioengineering and Biotechnology, Vol 10 (2022)
Tumor hypoxia is responsible for the reduced therapeutic efficacy of type II photodynamic therapy (PDT) because of the dependence of cellular oxygen during 1O2 generation. Type I PDT may be a better strategy to overcome the disadvantages of hypoxia f
Externí odkaz:
https://doaj.org/article/06308b45f90a4ea4b7ca606cfe490f6c
Autor:
Lei Liu, Chengwei Tang, Boyan Li, Jianping Li, Tong Bao, Zhong Yang, Yongchun Guo, Wei Feng, Zhuo Lei, Haiying Li
Publikováno v:
Case Studies in Thermal Engineering, Vol 31, Iss , Pp 101854- (2022)
To understand the surface evolution in unsteady thermal environment of diesel engine, piston Al–Si–Cu alloy was ablated by a high frequent pulsing carburizing oxyacetylene combustion. The tested samples displayed good correlation with the charact
Externí odkaz:
https://doaj.org/article/888cdd5240df4950bab414d80e3ba319
Publikováno v:
Materials, Vol 15, Iss 9, p 3255 (2022)
In this paper, the mechanism of neutron absorption and common reinforced particles is introduced, and recent research progress on different types of neutron-shielding materials (borated stainless steels, B/Al Alloy, B4C/Al composites, polymer-based c
Externí odkaz:
https://doaj.org/article/66151724d97447158054329d803d50cd
Publikováno v:
Metals, Vol 11, Iss 10, p 1563 (2021)
A Ti40Zr40Ni20 quasicrystal (QCs) rod and ribbons were prepared by conventional casting and rapid solidification. The X-ray diffractometry (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM) and differential scanning cal
Externí odkaz:
https://doaj.org/article/4f6c5408d1ed49e281ba10b93cd4db01
Publikováno v:
Materials, Vol 14, Iss 17, p 4845 (2021)
Oxidation of Al-Sn bearing alloy occurs during production, processing and use, which reduces both alloy performance and performance of coatings applied to the alloy surface. Therefore, the oxidation mechanism of Al-Sn bearing alloy is studied at 25,
Externí odkaz:
https://doaj.org/article/a8e9b4abf5d14b0a8f1cf754a4d60b61
Publikováno v:
Crystals, Vol 11, Iss 8, p 910 (2021)
With the consumption of high-quality iron ore resources, the grade of iron ore raw used in the iron making process has gradually decreased. The high aluminum raw materials has led to an increase in the Al2O3 content in the blast furnace slag, which h
Externí odkaz:
https://doaj.org/article/175eabb523a840669f604c651ac98a9a