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characteristics of a GDI spark-ignition engine[J]. Fuel, 2019, 256: 115910. [5] PORAN A, TARTAKOVSKY L. Influence of methanol reformate injection strategy on performance, available exhaust gas enthalpy..., 93(2): 1758-1768. [14] DUAN Xiongbo, LIU Jingping, TAN Yonghao, et al. Influence of single injection and two-stagnation injection strategy on thermodynamic process and performance of a turbocharged......
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of oxide and phase, and presents a gradual oxidation process. Key words: TiH2; foaming agent; aluminum foam; oxidation treatment 泡沫铝作为一种新型的功能结构材料, 由于它的轻质, 阻燃, 阻尼, 吸波等优良的物理性能, 近几年来在一些领... of as-received and oxidized TiH2 foaming-agent powder[J]. Mater Sci Eng A, 2003, 357: 258-263. [14]Kennedy A R. The effect of TiH2 heat treatment on gas release and foaming in Al-TiH2 performs[J......
of this technology remain limited in terms of cooling rates reached compared to oil quenching. Distortion and process homogeneity also have to be controlled carefully. The efficiency of the gas quenching process fully depends on the heat transfer between the gas and the quenched parts. The goal of this study is the optimisation of the gas quenching process efficiency through a better understanding......
flooding are illustrated in Figure 6. Compared with the invasion process, the phase permeability curve characteristics during the gas injection process present significant changes, among which Krw..., and the water flow is driven by gas immediately. Therefore, Krw is improved during the gas injection process compared with that in the water invasion process. By contrast, the gas-phase is distributed......
KINETIC MODEL FOR POWDER INJECTION DESULFURIZATION S.R. Yu1,X.G. Bi1,Y. Jin1 (1.Key Laboratory for Ferrous Metallurgy and Resources Utilization of Ministry of Education, Wuhan University of Science and Technology, Wuhan 430081, China) Abstract:The kinetic model for desulfurization using CaO-based powder injection has been proposed,which accords with the actual process of the experiment......
Abstract: Cooling strength is one of the important factors affecting microstructure and properties of gas cylinders during quenching process,and reasonable water spray volume can effectively improve... coefficient (have) and stress of the gas cylinder under different water spray volumes during quenching process were studied. Finally, the mathematical model was experimentally verified. The results show......
图分类号:TG 174.443 文献标识码:A Microstructure and impact properties of slow injection A356 die castings with partial squeeze BAI Yan-fei, ZHAO Hai-dong, LI Yuan-yuan, KANG Zhi-xin... of slow injection A356 die casting with partial squeeze were investigated. The results show that as for the as-cast castings, eutectic Si particles are characterized as fibrous or long acicular shape......
Evaluation of Process Capability in Gas Carburizing Process to Achieve Quality through Limit Design Concept K.Palaniradja1,N.Alagumurthi1,V.Soundararajan1 (1.Department of Mechanical Engineering... heat treatments that the steel can be subject to. One such treatment is Gas carburizing. This is the most widely used process for surface hardening of low carbon steels. In this method the surface......
of fabricating complicated shaped parts, low machinability may be a barrier to practical uses. Therefore, it is considered to be very available that metal injection molding(MIM) process is applied...Mechanical properties and microstructure of Ti-6Al-4V compacts by metal injection molding GUO Shi-bo(郭世柏), QU Xuan-hui(曲选辉), HE Xin-bo(何新波), DUAN Bo-hua(段柏华) (School of Materials Science......
