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Surface functionalization of single-walled carbon nanotubes using metal nanoparticles Goo-Hwan JEONG Department of Advanced Materials Science and Engineering, Kangwon National...; Abstract: Surface functionalization of suspended single-walled carbon nanotubes (SWNTs) using metal (Au) nanoparticles (NPs......
parameters, the defect-free, 3 mm thickness coatings with ideal shape and good surface quality were formed on the cutting pick surface by plasma jet surface metallurgy with powder feeding. Fig.1 shows... Microstructure and properties of Fe-based coatings on cutting pick surface formed by plasma jet surface metallurgy CHEN Hao(陈 颢)1, 2, YANG Jian-gao(羊建高)2,LI Hui-qi(李惠琪)3 1. School of Materials......
heating of the surface followed by water or oil quenching to form martensite. This technique is cheap; however, it cannot produce a consistent quality and is not possible to apply in selective... of response surface methodology for predicting weld bead quality in SAW of pipes [J]. J Mater Process Technol, 1999, 88(1/3): 266-275. [12] BENYOUNIS K Y, BETTAMER A H, OLABI A G, HASMI M S J. Predicting......
连续退火中带钢表面横向条纹缺陷产生机制及其治理技术白振华1,申延智2,周利2,于顺兵3,石晓东4,司红鑫4(1.河北省秦皇岛市燕山大学机械工程学院亚稳材料科学与工程国家重点实验室2.北京首钢技术研究院,北京 1000433.北京首钢冷轧薄板有限公司,北京 1013044.燕山大学 机械工程学院 亚稳材料制备技术与科学国家重点实验室,河北秦皇岛 066004)摘 要:针对带材在连续退火过程中表面的横向条纹缺陷问题,充分结合连续退火机组的设备与工艺特点,在完成了平整轧制速度对横向条纹影响试验,炉内带钢运行速度对带钢......
Microstructures and interfacial quality of diffusion bonded TC21 titanium alloy joints LIU Hui-jie, FENG Xiu-li State Key Laboratory of Advanced Welding Production Technology, Harbin Institute... for 5-90 min. The interfacial bonding ratio, deformation ratio, microstructures and microhardness of the diffusion bonded joints were investigated. Results show that joints with high bonding quality can......
Quality control for bloom casting of YQ450NQR1 steelYong Chen1,2) ,Guo-rong Wu2) ,and Miao-yong Zhu1) 1) Materials and Metallurgy School,Northeastern University,Shenyang 110004,China 2) Department of Material Research,Panzhihua Iron and Steel Research Institute,Panzhihua 617000,China摘 要:To reduce surface depression of a bloom,the primary cooling......
; Diagenesis and reservoir quality... the timing of growth and original mineral cements, the controls on reservoir and reservoir quality of the fourth member sandstones of Shahejie formation (Es4). The Es4 sandstones are mostly arkose......
Trans. Nonferrous Met. Soc. China 22(2012) s801-s807 Surface effects of hybrid vibration-assisted femtosecond laser system for micro-hole drilling of copper substrate Jung-Kyu PARK1, 2, Ji-Woon YOON1... Abstract: The ultrafast laser based hybrid machining system was studied and a novel approach was demonstrated to improve laser machining quality on metals by vibrating the optical objective lens......
J. Cent. South Univ. (2018) 25: 2309-2319 DOI: https://doi.org/10.1007/s11771-018-3915-4 Optimization analysis of track comprehensive quality in micro-plasma cladding process ZHOU Chen(周晨)1, TIAN...: The purpose was to clarify the relationship between the main process parameters of micro-plasma cladding and the comprehensive quality (geometry, microstructure and wear rate of cladding track). Self......
Influences of material parameters on deep drawing of thin-walled hemispheric surface part GAO En-zhi(高恩志), LI Hong-wei(李宏伟), KOU Hong-chao(寇宏超), CHANG Hui(常 辉), LI Jin-shan(李金山..., the material parameters of blank have a significant effect on the quality of the drawn part and the determination of process parameters. Here, a 3D finite element model is developed for the deep drawing......