نتایج جستجو برای: hot forging
تعداد نتایج: 82880 فیلتر نتایج به سال:
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...
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...
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...
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...
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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