Results 31 to 40 of about 16,953 (98)

The regolith-hosted clay REEs leaching effects by mechanical grinding and at low temperature: An analogy on treatment method

Journal of Materials Research and Technology
The leaching effects of regolith-hosted clay particles under mechanical grinding at low temperatures have not been well studied. This study primarily aims to understand how grinding induces intensive pressure, stress, and abrasion on clay particles ...
Hassan Nasir Mangi, Liqiang Ma, Ru'an Chi, Chenghao Wu, Zhenyue Zhang, Yan DeTian, Lara Sindhu, Khalid Thebo, Umar Ashraf   +8 more
doaj   +1 more source

Effect of surface finishing on friction and wear of Poly-Ether-Ether-Ketone (PEEK) under oil lubrication

Polímeros
The tribological properties of poly-ether-ether-ketone (PEEK) containing 30% of carbon fiber were studied in an oil-lubricated environment and different surface finishing of the metallic counterbody.
Thiago Fontoura de Andrade, Helio Wiebeck, Amilton Sinatora   +2 more
doaj   +1 more source

Oxidation removal mechanism based on ReaxFF-MD in 4H-SiC CMP

Jin'gangshi yu moliao moju gongcheng
ObjectivesSilicon carbide has the advantages of high temperature stability, high electron mobility, and wide bandgap, and has been widely used in fields such as new energy vehicles, photovoltaics, and integrated circuits.
Tianyu ZHANG, Zirui WANG, Rui ZHU, Yang PENG, Yuguang ZHU, Shengjie YOU, Yongguang WANG, Chuanyang WANG   +7 more
doaj   +3 more sources

Finite Element Thermal Model and Experimental Verification for Constant Pressure Belt Grinding Process

工程科学与技术, 2011
:In order to study the relationships between the grinding temperature and grinding parameters for constant pressure grinding process, a finite element thermal model was derived and expressed. So the grinding process and quality was improved. Based on the
doaj  

Finite Element Thermal Model and Experimental Verification for Constant Pressure Belt Grinding Process

工程科学与技术, 2012
:In order to study the relationships between the grinding temperature and grinding parameters for constant pressure grinding process, a finite element thermal model was derived and expressed. So the grinding process and quality was improved. Based on the
doaj  

A pre-treatment method for particle size analysis of fine-grained sedimentary rocks, Bohai Bay Basin, China

Open Geosciences
A new pre-treatment method is described for the disaggregation of fine-grained sedimentary rocks (FSRs). The main steps include (1) heat the samples in a muffle furnace and then put them in a beaker containing sodium sulphate solution of a certain ...
Liu Li’an, Lei Weiyan, Chen Xiaohong, Xia Jianming   +3 more
doaj   +1 more source

Design and Analysis of a Large Casting and Forging Grinding Robot

工程科学与技术
ObjectiveThe demand for automated surface grinding of large castings and forgings continues to increase with production scale and quality requirements. Conventional grinding robot systems, while functional, present significant limitations: large spatial ...
LIU Yi, FENG Zongqiang, MAO Chongbo, HAN Weida, YANG Changan, MA Qifan   +5 more
doaj  

Research on process parameters of high-efficiency magnetically assisted polishing of sapphire wafers

Jin'gangshi yu moliao moju gongcheng
ObjectivesSapphire crystals have been widely used in the fields of semiconductors, optoelectronics, aerospace and other areas due to their excellent hardness, chemical stability and optical properties.
Ye Hui, Wang Jian, Shi Zhengyu, Liu Zhongxiang, Wang Zehua, Jiang Chen   +5 more
doaj  

Advanced Manufacturing and Processing Technologies for Plastics: Research Progress of Wang Qi's Team

工程科学与技术
SignificancePlastics, characterized by their excellent overall properties, are widely used in aerospace, transportation, new energy, electronics and electrical engineering, construction, agriculture, and medical care. They serve as essential foundational
CHEN Ning, ZHANG Chuhong, LIU Yuan, CHEN Yinhong, LI Li, BAI Shibing, NIE Min, LI Yijun, YANG Shuangqiao, XU Dawei, WANG Qi   +10 more
doaj  

Wet-Grinding Reactivation and Frost Resistance of Waste Sludge from a Concrete Mixing Plant: A Case Study of Large-Scale Mine Construction in the Xinjie Taigemiao Mining Area. [PDF]

Materials (Basel)
Wang L, Han T, Lv M, Luo T, Liu M, Xue B, Zhang J, Ji Y.   +7 more
europepmc   +1 more source