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Effect of RE-Al-N on Structures and Properties of M2 Cast High Speed Steel 符寒光1,蒋志强2,邢建东1,杜建铭2 (1.School of Materials Science & Engineering, Xi′an Jiaotong University, Xi′an 710049, China;2.School of Mechanical Engineering, Xi′an Jiaotong University, Xi′an 710049, China) Abstract:M2 cast high speed steel was inoculated by addition of rare earth(RE)-Al-N, network eutectic carbides were......
): s276-s279. [4] D’Errico G E, Guglielmi E, Rutelli G. A study of coatings for end mills in high speed metal cutting [J]. Journal of Materials Processing Technology, 1999, 92-93: 251-256. [5] Kwon D H, Kang M... Effects of honing treatment on AIP-TiN and TiAlN coated end-mill for high speed machining Jae-Young HEO1, Sung-Hak CHO2, Tae-Jin JE2, Kwang-Ho KIM1, Hyung-Woo LEE1, Myung-Chang KANG1 1. National......
Effects of Rare Earths and Al on Structure and Performance of High Chromium Cast Iron Containing Wolfram Huang Yongchang1,Guo Erjun1,Fu Yuanke1,Wang Liping1 (1.School of Materials Science ＆ Engineering, Harbin University of Science and Technology, Harbin 150040, China) Abstract:Effects of RE and Al on the structure, impact toughness, hardness, and wear resistance of high chromium cast iron......
rolls cast steel slabs into thin sheets [1]. A typical hot strip mill facility consists of, the following units: reheat furnace, roughing mill, transfer table, coilbox, crop shear, finishing mill...J. Cent. South Univ. (2017) 24: 1369-1378 DOI: 10.1007/s11771-017-3541-6 Dynamic matrix predictive control for a hydraulic looper system in hot strip mills YIN Fang-chen(尹方辰), SUN Jie(孙杰), PENG Wen......
Effect of Alloying Additions on the Oxidation of High Speed Steels under Dry and Wet Conditions () 摘要:An investigation has been carried out into the effects of chromium and vanadium content on the oxidation rate and on the adhesion of oxide scales grown on three different chemical compositions of high speed steels under dry and wet conditions. The oxidation tests were carried out......
High Temperature Oxidation Behavior of High Speed Steel for Roll in Water Vapor LIU Fang1,ZHOU Li1,SUN Da-le2,LIU Chang-sheng1 (1.College of Material & Metallurgy, Northeastern University, Shenyang 110004, China;2.BAOSHAN Iron & Steel CO., LTD. Technology Center, Shanghai 201900, China) 摘要:The oxidation behavior of high speed steel (HSS) was researched by high temperature thermo balance......
Development of centrifugal casting high speed steel rollsHanguang Fu, Aimin Zhao, and Jiandong XingSchool of Mechanical Engineering, Xi’an Jiaotong University, Xi’an 710049, China,Materials Science and Engineering School, University of Science and Technology Beijing, Beijing 100083, China摘 要:<正> The present study aims at developing the high speed......
with the drum pushing mode was adopted by the drum shearer on the thin coal seam, the drum rotation speed should not be too high, and the helix angle should be selected according to the actual situation... mining areas in China have continuously reduced, input of Chinese coal production enterprises on thin coal seams has been increasing. Yield on thin coal seams has continuously increased. Such high coal......
) that the microstructures near the surface cracks of the AZ61 thin strips are the coarse and nonuniform dendrites, which means that during casting the temperature at the center of the AZ61 thin strips is high... that there are hardly β-Mg17Al12 compounds in the thin strips because the high cooling rate of vertical twin-roll casting[4] can make excessive Al element dissolve into the α-Mg matrix and form the fine Al......
in the alloy. Each eutectic cell consists of thin gray Cr(Mo) and black NiAl lamellae in a radial pattern, while larger blocks exist in the intercellular regions. Fig.1 SEM micrograph of conventionally cast... can be further enhanced by the adjustment of the master alloy composition to NiAl-40Cr(Mo) to eliminate the primary NiAl phase. 4 High speed directional solidification Based on the investigation......
