共搜索到19210条信息,每页显示10条信息,共1921页。用时:0小时0分0秒437毫秒
of boric acid on carbon fiber and thermal conductivity of C/C composites CHEN Jie, XIONG Xiang, XIAO Peng (State Key Laboratory of Powder Metallurgy, Central South University, Changsha 410083, China) Abstract: The effect of boric acid on carbon fiber properties and thermal conductivity of carbon carbon composites was investigated by dipping preform in boric acid before pretreatment......
Parameter Optimization Study on Control of Distortion in Bright Bar Used In Rack Application Subjected To Induction Heat Treatment K.Palaniradja1,N.Alagumurthi1,V.Soundararajan1 (1.Department... and alloys can be achieved by the process of heat treatment. Induction hardening is one such a process involves phase transformation by rapid heating and cooling of the outer surface. Induction hardening......
......
Effect of Shouldering Angle on Distribution of Thermal Stress in Sapphire Single Crystal Growth Using Improved Kyropoulos Zuo Hongbo1,Yao Tai1,Zhang Mingfu1,Meng Songhe1,Han Jiecai1 (1.Research Center for Composite Materials, Harbin Institute of Technology, Harbin 150001, China) Abstract:A two-dimensional model was established in the rectangular co-ordinate to study the thermal stress......
Phase-field simulation of dendritic sidebranching induced by thermal noise ZHU Chang-sheng(朱昌盛)1, 2, WANG Zhi-ping(王智平)1, JING Tao(荆 涛)3, LIU Bai-cheng(柳百成)3 (1. CAD Center, Lanzhou...-field model which incorporates thermal noise. It is shown that, the sidebranching is not influenced with inclusion of the nonconserved noise, therefore, in order to save the computational costs......
)/energy-dispersive X-ray spectroscopy(EDX),thermo-gravimetric analysis/differential thermal analysis(TGA/DTA) and vibrating sample magnetometer(VSM) analyzes.Also,according to the results of UV-Vis......
. Key words: magnesium alloys; grain refinement; recalescence; thermal analysis  .... On the other hand, cooling curve thermal analysis is a useful technique to study solidification and can provide some supplementary information about the nucleation behavior. This technique, which has been well......
EFFECT OF HEAT TREATMENT ON MECHANICAL PROPERTIES OF 0Cr12Mn5Ni4Mo3Al J.T.Niu1,X.M.Zhang1,X.Q.Liu1,Y.L.Guo1 (1.Analyse-Test Center of Harbin Institute of Technology,Harbin 150001,China) Abstract... that under the optimal parameters(solid soluble treatment 1050℃× 40min,cold treatment - 78℃× 4h,aging treatment 52℃× 2h)the properties(strength and tenacity)could be up to its maximum. Key words......
): 879-883. LI Xi-wu, ZHENG Zi-qiao, LI Jin-feng, LI Shi-chen, WEI Xiu-yu. Effect of heat treatment on negative thermal expansion behavior of NiTi alloy[J]. Rare Metal Materials and Engineering, 2007, 36(5... of TiNi alloy matrix composites with near-zero thermal expansion behavior and their properties LUO Jun-ping1, MA Xiao1, GUAN Rui-feng1, CAO Shan-shan1, KE Chang-bo1, NGAI Tung-wai2, ZHANG Xin-ping1 (1......
J. Cent. South Univ. (2016) 23: 3346-3355 DOI: 10.1007/s11771-016-3400-x Numerical analysis on thermal regime of wide embankment in permafrost regions of Qinghai-Tibet Plateau MA Tao(马涛)1, TANG Tao... analysis was defined. And numerical model was developed through FEM software named as ABAQUS and was verified by field observed data. The effects by width and height of embankment on the thermal......