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of the microhardness ranges from Hv0.2 1 208 to Hv0.2 891 in the coating from top surface of the coating to the substrate. The amorphous coating is found to possess better property of wear than AISI 1045...; 1 Introduction It is well known that the amorphous alloys have excellent......
; 1 Introduction Al-Mg based 5083 Al alloy has gotten broad applications in commercial superplastic... ℃; (d) 300 ℃ 4 Conclusions 1) The microstructures of the fine-grained 5083 Al alloy display incomplete recovery annealed at 150 ℃, the coexistence of complete recovery and initial recrystallization......
, Mg5RE and Mg24RE5 (Gd, Y, Nd) phase. After being extruded with an extrusion ratio of 14:1 at 380 ?C, the microstructure of Mg-Gd alloy changes from developed dendrites to near-equiaxed grains...%. Key words: magnesium alloy; Mg-Gd alloy; rare earth; strain-induced melt activation; semisolid; isothermal treatment 1 Introduction The semisolid forming (SSF) has become a widely accepted metal......
"> 1 INTRODUCTION..., the following conclusions can be drawn. 1) In the sliding speed range of 20-40m/s, the friction coefficient exhibits a decreasing tendency with increasing the normal pressure, and the worn quantity of Ti3SiC2......
; 1 INTRODUCTION Chromium, aluminum, and silicon can... that the incorporation of Si in many alloy systems has a beneficial effect on their oxidation resistance[1, 2]. In addition, silicon is abundant and cheap. More-over, Si has one of the largest solubility......
; Document code: A 1 INTRODUCTION Multilayers and spin-valve structures with giant magretoresistance(GMR) effect are of great importance both for application and fundamental... [1]Dieny B. Giant magnetoresistance in spin-valve multilayers [J]. J Magn Magn Mater, 1994, 136(3): 335-359. [2]Wang D, Daughton J M, Smith C H, et al. Effect of Au underlayers on GMR properties......
; mathematical model; drained cell CLC number: TF821 Document code: A 1 INTRODUCTION In the past several decades, there has been considerable interests in gas induced bath flow in the currently... dimensions of a hypothetical drained cell are listed in Table1. 2 GOVERNING EQUATIONS FOR TWO PHASE FLOW The Eulerian-Lagrangian formulation com- Table 1 Characteristic dimensions of hypothetical......
. RATTANOCHAIKUL1, R. CANYOOK1, R. BURAPA2, T. CHUCHEEP1, S. THANABUMRUNGKUL1 1. Department of Mining and Materials Engineering, Faculty of Engineering, Prince of Songkla University, Hat Yai, Songkhla, 90112... of this process was reported. Key words: gas induced semi-solid; rheocasting; die casting; formation mechanism; industrial applications 1 Introduction Semi-solid metal forming employing the rheocasting......
J. Cent. South Univ. Technol. (2011) 18: 310-313 DOI: 10.1007/s11771-011-0696-4 Effect of Al and Si additions on microstructure and mechanical properties of TiN coatings WANG She-quan(王社权)1, 2, CHEN Kang-hua(陈康华)1, CHEN Li(陈利)2, ZHU Chang-jun(祝昌军)1, LI Ping(李屏)2, DU Yong(杜勇)1 1. State Key Laboratory of Powder Metallurgy, Central South University, Changsha 410083, China; 2. Zhuzhou Cemented......
of these GZO/AZO thin films were investigated and compared with those of GZO and AZO thin films. The GZO/AZO (1:1) thin film deposited at 400 °C shows the electrical resistivity of 4.18×10-4 Ω?cm... decreases with increasing the Al ratio. Key words: multilayer; thin films; Ga-doped zinc oxide; Al-doped zinc oxide; pulsed laser deposition 1 Introduction Most of the research on the transparent......
