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Application of fuzzy theory on earthquake damage rate estimation of buildingsSHAO Yang-wei(邵扬威)1, WU Yu-shiang(吴玉祥)2, KAO Shih-feng(高士峰)1, HUANG Chi-jan(黄麒然)1, CHANG Kuan-yung(张宽勇)3(1. Graduate... damage-rate estimation model. The building damage survey data were recorded and constructed into files by the Architecture and Building Research Institute (ABRI), Taiwan for the 1999 Chi-Chi......
. 2 True stress-cumulative strain curves of AZ61 and AZ31 Mg alloys[15] during MDF decreasing temperature condition from 623 K to 483 K(423 K) at strain rate of 3×10-3 s-1(a) and macrograph... of extruded AZ31 magnesium alloy[J]. The Chinese Journal of Nonferrous Metals, 2017, 27(1): 57-63. [2] THIRUMURUGAN M, KUMARAN S. Extrusion and precipitation hardening behavior of AZ91 magnesium alloy[J......
Experimental verification of mathematical model for multiphase flow in air-agitated seed precipitation tank CHEN Qiao-ping1, 2, YAN Hong-jie1, GE Shi-heng1, ZHOU Jie-min1 1. School of Energy... Abstract: In order to check the validity of the mathematical model for analyzing the flow field in the air-agitated seed precipitation tank, a scaled down experimental......
procedure (TCLP) was carried out based on Environmental Protection Administration (EPA) standards in order to investigate the stability of arsenic precipitate [31]. Arsenic precipitation rate... for arsenic leaching rate Table 3 Central composite design arrangement and experimental results for arsenic precipitation rate The analysis of variance (ANOVA) for the quadratic model was performed at 5......
, the nucleation rate is high and the fine structure of(γ+γ’) is formed at the initial precipitation stage. The γ and γ’in(γ+γ’) tend to grow into a lamellar structure because it is difficult for them to nucleate...Transformation Mechanism of (γ+γ’) and the Effect of Cooling Rate on the Final Solidification of U720Li AlloyGuang-Di Zhao1,2,Guo-Liang Yang1,Fang Liu1,Xin Xin1,Wen-Ru Sun11. Institute of Metal......
Computer simulation for precipitation process of θ (Ni3V) and γ′ (Ni3Al) with microscopic phase-field method HOU Hua(侯 华)1, XU Hong(徐 宏)2, ZHAO Yu-hong(赵宇宏)2 1. College of Materials Science... June 2006 Abstract: With the microscopic phase-field model, the precipitation process of aged alloys was explored by computer simulation, which could clarify some discussional views......
and its precipitation rate depends on the assembling, coarsening and fusing of carbide particles. Above all, stress-induced phase transformation can be confirmed at elevated temperature and the stress...Trans. Nonferrous Met. Soc. China 26(2016) 2883-2891 Effects of hot compression on carbide precipitation behavior of Ni-20Cr-18W-1Mo superalloy Yin-ben HAN, Xiang-yi XUE, Tie-bang ZHANG, Rui HU, Jin......
连续冷却过程中含Cu相在钢中析出行为的研究李闯1,王学敏1,尚成嘉1,郑长安1,贺信莱1(1.北京市北京科技大学材料科学与工程学院)摘 要:利用热模拟技术研究了一系列含Cu钢在不同冷速下的硬度变化.借助金相和高分辨透射电镜研究了连续冷却过程中的含Cu相析出行为及其对硬度的影响.结果表明:在连续冷却过程中Fe-Cu合金中会发生第二相析出,从而造成硬化.第二相析出为富Cu过渡相,以相让沉淀方式析出,析出行为与冷速和Cu含量有关,当冷却速率为0.1-1℃/s时,随着冷却速率的增加第二相析出物变得更加细小且密度更大,当......
J. Cent. South Univ. Technol. (2008) 15(s1): 447-452 DOI: 10.1007/s11771-008-397-9 Mechanical model for yield strength of nanocrystalline materials under high strain rate loading ZHU Rong-tao(朱... and Engineering, Nanjing University of Technology, Nanjing 210009, China) Abstract: To understand the high strain rate deformation mechanism and determine the grain size, strain rate and porosity dependent......
increases firstly and then decrease. Higher pH brings the hydrolysis system with higher acidity, which can hinder the hydrolysis rate, forming less nuclei, resulting in smaller precipitation particle.... The influence of some factors (such as F value, volume ratio of pre-adding water to TiOSO4, heating rate and pH of pre-adding water) on the structure and pigment properties of the as-prepared slurry......
