Results 11 to 20 of about 102,491 (100)

The Effect of Elements of Secondary Structures on the Wear Resistance of Steel in Friction against Experimental Aluminum Alloys for Monometallic Journal Bearings

Lubricants, 2019
This article describes the elemental composition of secondary structures formed on the steel contact surface during wear test against experimental Al alloys. Wear tests were carried out according to the rotating steel roller-fixed shoe of an antifriction
Ekaterina Kuznetsova, Iosif Gershman, Alexander Mironov, Pavel Podrabinnik, Pavel Peretyagin   +4 more
doaj   +1 more source

The grain growth mechanisms for 0.8(Bi,Na)TiO3-0.2(Sr,Ti)O3 ceramics prepared using a two-step sintering process

Journal of Asian Ceramic Societies, 2023
In this study, lead-free 0.8(Bi,Na)TiO3-0.2(Sr,Ti)O3 piezoelectric ceramics were prepared using a two-step sintering process to analyze their sintering mechanisms.
Lee Gwangseop, Jung-Hyuk Koh
doaj   +1 more source

Mechanisms Involved in the Formation of Secondary Structures on the Friction Surface of Experimental Aluminum Alloys for Monometallic Journal Bearings

Lubricants, 2018
The processes taking place on the friction surface of high-alloyed aluminum alloys working with steel whilst replacing bronze journal bearings with aluminum are investigated. In this regard, eight experimental aluminum alloys with an Sn content from 5.4%
Pavel Podrabinnik, Iosif Gershman, Alexander Mironov, Ekaterina Kuznetsova, Pavel Peretyagin   +4 more
doaj   +1 more source

Influence of the Nonequilibrium Material State on Wear Resistance

Lubricants, 2019
The influence of the nonequilibrium state of a material on its wear resistance is investigated in this study. Using methods of non-equilibrium thermodynamics and the theory of self-organization, a non-equilibrium material is shown to possess an overall ...
Iosif Gershman, Alexander Mironov, Stephen Veldhuis, Eugeniy I. Gershman, Pavel Podrabinnik, Ekaterina Kuznetsova   +5 more
doaj   +1 more source

Simulation and Experimental Study of the Multisized Silver Nanoparticles Sintering Process Based on Molecular Dynamics

Nanomaterials, 2022
Multisized nanoparticles (MPs) are widely employed as electronic materials to form conductive patterns, benefitting from their excellent sintering properties and mechanical reliability. However, due to the lack of effective detection methods for the real-
Mingfei Gu, Tingting Liu, Xingzhi Xiao, Gang Li, Wenhe Liao   +4 more
doaj   +1 more source

Mathematical Simulation of Iron Ore Fines Sintering Process with Solid Fuel Segregation Distribution and Corresponding Heat Pattern Study

Metals, 2022
The fuel segregation distribution sintering process, with a high fuel dosage in upper layer and a low fuel dosage in bottom layer of the sintering bed, was studied to handle uneven heat distribution problems in the conventional iron ore sintering process.
Qiangjian Gao, Lei Bao, Pengxuan Zhu, Xin Jiang, Haiyan Zheng, Fengman Shen   +5 more
doaj   +1 more source

Preparation parameter optimization and mechanical properties of the graphene-reinforced TC11 titanium alloys prepared by spark plasma sintering used for engine

Fenmo yejin jishu, 2022
The mechanical properties of the high temperature resistant TC11 alloys prepared by spark plasma sintering (SPS) used for engine were improved by adding grapheme, the density of TC11 alloy under the different sintering parameters was studied, the ...
WU Xiao-jun
doaj   +1 more source

Technological Mineralogical Characteristics and Mineral Processing Test of Donganshan Iron Ore

Kuangchan zonghe liyong
This is an article in the field of mineral processing engineering. In order to accurately grasp the influence of various types of ores on field production, the process mineralogy of various types of ores was systematically and deeply studied by means of ...
Shuyong LIU, Guang YANG, Libin YUAN, Shushuang CONG, Jiangning ZHANG, Zhanliang NIU   +5 more
doaj   +1 more source

Study of the optimal particle size of sintering solid fuels

Metalurgija, 2023
Carbon combustion rates can be altered with different particle sizes of solid fuel, which can directly affect the mineralization of iron ore sintering.
M. S. Zhou, E. J. Hou, G. Yang, J. N. Zhang, L. W. Zhai, X. Jin, X. C. Li   +6 more
doaj  

Unveiling exceptional sinterability of ultrafine α-Al2O3 nanopowders

Journal of Materiomics, 2021
Scalable pressureless sintering of nanocrystalline alumina (Al2O3) ceramics is a challenging problem with great scientific and technological interest.
Hongbing Yang, Lu Li, Yuanyuan Li, Bing Shen, Yueming Kang, Libin Zhao, Jiajie Li, Yanhao Dong, Jiangong Li   +8 more
doaj   +1 more source