共搜索到11490条信息,每页显示10条信息,共1149页。用时:0小时0分0秒796毫秒
Effects of cooling rate on thermal expansion of Cu49Hf42Al9 metallic glass WANG Ying-ying, BIAN Xiu-fang, JIA Ran Key Laboratory of Liquid-Solid Structural Evolution and Processing of Materials of Ministry of Education,Shandong University, Ji’nan 250061, China Received 28 September 2010; accepted 31 December 2010 Abstract: Effects of cooling rate on thermal expansion of Cu49Hf42Al9 metallic......
. The results show that when the Al content is 9.0%, the alloy has the optimal GFA. Proper Al additions can suppress the precipitation and the growth of the primary CuZr phase. The critical cooling rate... amorphous alloy; glass forming ability; critical cooling rate; mechanical properties  ......
;强度;塑性 中图分类号:TG146.4 文献标志码:A Effects of cooling rate on microstructure and properties of VST55531 alloy FU Yan-yan, HUI Song-xiao, YE Wen-jun, MI Xu-jun, YU Yang (State... alloys with different cooling rates were studied,including water cooling, air cooling and furnace cooling. The results show that when the cooling rate gets slower, the strength decreases while......
Trans. Nonferrous Met. Soc. China 25(2015) 3189-3196 Effects of cooling rate on solution heat treatment of as-cast A356 alloy Chang-lin YANG, Yuan-bing LI, Bo DANG, He-bin , Feng LIU State Key Laboratory of Solidification Processing, Northwestern Polytechnical University, Xi’an 710072, China Received 19 November 2014; accepted 30 January 2015 Abstract: The effect of cooling rate......
microstructures of four kinds of cooling rate after solution treatment and aging treatment (FC: Furnace cooling AC: Air cooling; OQ: Oil quenched; WQ: Water quenched) 图3 合金的选区衍射斑和透射显微组织 Fig. 3... intermetallic alloy[J]. Scripta Materialia, 2003, 48(5): 629-634. [8] LUO D, CUI Y Y, YANG R. Effects of cooling rate on the microstructure and room temperature tensile properties of orthorhombic......
Trans. Nonferrous Met. Soc. China 25(2015) 533-543 Effect of cooling rates on clustering towards icosahedra in rapidly solidified Cu56Zr44 alloy Yan-jun HU1,2, Da-dong WEN1, Yuan-qi JIANG1, Yong-he... Received 18 February 2014; accepted 15 July 2014 Abstract: The rapid solidification processes of liquid Cu56Zr44 alloys at different cooling rates (γ) were simulated by a molecular dynamics (MD) method......
the distortions by simulating the carburized oil-quenching process for the hypoid gear. Our results show large differences between the cooling rates of the tooth toe, middle section, and heel edges... the quench distortion of the hypoid gear. 关键词:Quenching distortion; Helix deviation; Profile deviation; Simulation; Cooling curve; Heat transfer coefficient; Hypoid gear; [全文内容正在添加中] ......
; 文献标志码:A 文章编号:1672-7207(2010)01-0357-07 Hourly cooling load analysis and prediction in a district cooling system JIANG.... Sino-German School of Applied Sciences, Tongji University, Shanghai 200092, China) Abstract: To determine district cooling system(DCS) design load and optimize their chillers’ operation strategy......
Al13Fe4相就必须采用大的冷却速度(>103 K/s). 在Al-8.5Fe-1.7Si-1.3V合金中全部得到α-Al和Al12(Fe, V)3Si相, 冷却速度应大于104 K/s. 关键词: 耐热铝合金; 微观组织; 冷却速度 中图分类号: TG146.2 文献标识码: A Effect of cooling rate on primary phase constitutes... diffractrometry and transmitting electron microscopy. The results show that, adding V, Si can affect the appearance of equilibrium Al13Fe4 phase. When cooling rate is higher than 103 K/s......
calculated using calorimetric measurements and physical properties of constituent elements. It is found that the critical cooling rate Rc estimated by combining kinetic and thermodynamic parameters highly...:metallic glass; glass-forming ability; iron-based alloys; critical cooling rate......