نتایج جستجو برای: hot forging

تعداد نتایج: 82880  

Journal: :Journal of the Japan Society of Powder and Powder Metallurgy 2002

Journal: :The International Journal of Advanced Manufacturing Technology 2016

2005
Taylan Altan

Global competition in the cold forging industry raises the significance of managing innovation and technological change. Strategies for development and application of new technology are extremely important for maintaining a competitive position and protecting sales. This paper reviews some of the advances in cold forging technology with an emphasis on the application of virtual process simulati...

2013
Liqiang Wang Zhengjie Lin Xueting Wang Qiwei Shi Weiqing Yin Di Zhang Zhongtang Liu Weijie Lu

This work aims to clarify the influence of aging temperature and time on the microstructure and mechanical properties of the Ti­Nb alloy for biomedical applications. The ingot of Ti­27Nb­2Ta­3Zr alloy was subjected to the arc melting, hot-forging and heat treatment respectively. Microstructure characterization was investigated by optical microscope (OM), X-ray diffraction (XRD), scanning electr...

2005
Sang-Hak Lee Eiji Takahashi Naoyuki Nomura Akihiko Chiba

The effect of pre-heat treatments, followed by a hot forging process, on the microstructure and strength of Co–Cr–Mo alloys was investigated. Four pre-heat treatments were conducted at 1170, 1200, 1230 and 1260 C for three different time condition: 2, 6 and 15 h and then water cooled to room temperature. Tensile tests and XRD analyses were carried out on both as-cast alloy and heat-treated allo...

2006
Alexandre Thibault Ali Siadat Régis Bigot Patrick Martin

The goal of this project is to conceive methods and computer tools to aid the design of a forged product by taking into account the competences and resources of the enterprise and the constraints related on the manufacturing process. For that, it is necessary to know not only the process knowledge but also the information concerning the resources (material, financial, human or of another nature...

2018
Kaibo Nie Yachao Guo Kunkun Deng Xiaojun Wang Kun Wu

In this study, SiC nanoparticles were added into matrix alloy through a combination of semisolid stirring and ultrasonic vibration while dynamic precipitation of second phases was obtained through multi-pass forging with varying temperatures. During single-pass forging of the present composite, as the deformation temperature increased, the extent of recrystallization increased, and grains were ...

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