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Research on Thermal Wear of Cast Hot Forging Die Steel Modified by Rare Earths Chen Kangmin1,Wang Shuqi1,Jiang Qichuan2,Cui Xianghong2 (1.School of Materials Science & Engineering, Jiangsu University, Zhenjiang 212013, China;2.School of Materials Science & Engineering, Jilin University, Changchun 130022, China) Abstract:Thermal wear of cast hot-forging die steel modified by rare earths(RE......
A phenomenological constitutive equation for Rene 95 PM alloy and its application to isothermal forging process of turbine diskMaicang Zhang, Jianxin Dong, Yanping Zeng, Xishan XieMaterials Science.... Application of the constitutive equation in predicting forming loads and flow behavior and temperature distribution in both upper and lower dies in an isothermal forging process of turbine disk of large......
Relationship between microstructure and tensile properties on a near-β titanium alloy after multidirectional forging and heat treatmentZhi-Dan Lü1,Chang-Jiang Zhang1,Zhao-Xin Du2,Jian-Chao Han3,Shu..., Ti-4Al-1Sn-2Zr-5Mo-8V-2.5Cr, was prepared by induction skull melting(ISM) and multidirectional forging. The effect of aging heat treatment on microstructure and tensile properties of the alloy after solution......
Cavity nucleation during hot forging of Ti-6Al-2Zr-1Mo-1V alloy with colony alpha microstructure DONG Xian-juan(董显娟)1, 2, LU Shi-qiang(鲁世强)1, ZHENG Hai-zhong(郑海忠)1, LI Xin (李 鑫)1, OUYANG De-lai... forging were observed by PRASAD et al[7] at 982 °C and 0.01 s-1 with a true strain of 0.6. But the substantive work pertaining to this problem is the research on Ti-6Al-4V alloy conducted by SEMIATIN et......
J. Cent. South Univ. (2017) 24: 2524-2531 DOI: https://doi.org/10.1007/s11771-017-3665-8 A novel LS-SVM control for unknown nonlinear systems with application to complex forging process FAN Bin(范彬)1... system; inverse control; input/output approximation; LS-SVM control; linear kernel 1 Introduction In industry, many systems are strongly nonlinear and unknown. A typical system is the complex forging......
Trans. Nonferrous Met. Soc. China 20(2010) s1042-s1047 Semi-solid moulding: Competition to cast and machine from forging in making automotive complex components Q. ZHU1, S. P...) or forging compressor wheels have been developed to overcome the casting defect problem. The improvement in durability also means MFS wheel can run reliably at the higher speeds, increasing fuel efficiency......
for numerical simulation of hot forging. Key words: microalloyed forging steel; flow stress; dynamic recovery; dynamic recrystallization; Zener-Hollomon parameter 1 Introduction During hot working... to support research and production of hot rolling[2-6], but less attention was paid to hot forging process, especially for microalloyed forging steels. Microalloyed forging steels are widely being......
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热锻温度对TG6高温钛合金显微组织和力学性能的影响王涛1,郭鸿镇1,张永强1,姚泽坤1,谭立军1(1.陕西省西安市西北工业大学材料科学与工程学院)摘 要:在850-1075℃范围内,采用恒定的应变速率和变形程度,对TG6合金进行了近等温锻造实验.利用OM和金相图像分析软件等手段分别测定了TG6合金锻前保温,锻后空冷和锻后热处理试样的显微组织中初生α相的含量,以及热处理锻件组织中次生片状α相的厚度.结果表明,与锻前保温的合金相比,较低温度(低于1000℃)下锻造的锻件及其热处理锻件中初生α相含量减少,且减少程度随......
Al–TiO2–Gr powder metallurgy hybrid composites with cold upset forgingV.Anandakrishnan22. Department of Production Engineering, National Institute of Technology摘 要:The cold upsetting studies were carried out for the aluminium metal matrix hybrid composites......