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首页> 外文会议>Proceedings 2015 Innovation amp; Commercialization of Medical Electronic Technology Conference >Effects of deep drawing process in microstructure of stainless steel S304
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Effects of deep drawing process in microstructure of stainless steel S304

机译：深冲工艺对S304不锈钢组织的影响

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摘要

Austenitic stainless steels are ductile and malleable in its group have received the attention of manufacturers in metal forming technology. Microstructural characterization of austenitic stainless steels S304 is focused on the deep drawing process of sheet metal having a thickness of 0.3 mm. Press diameter of 33 mm to form cylindrical cup used in this experiment. Deep drawing process carried out with velocity of 0.86 mm/s and 2 mm/s in condition with lubrication and without lubrication. Changes in the microstructure of the cross section of the cup which is etched with a solution of glycerol show austenitic phase changes (??) to martensitic (??) after the deep drawing process. Significant elongation of the microstructure in the wall of the cup shows high strain occurred in this section. Cross sectional thickness of the cup and crack formation in the wall of the cup are compared between drawn cup with and without lubricant.
机译：奥氏体不锈钢在其组中具有延展性和可延展性，在金属成型技术中受到了制造商的关注。奥氏体不锈钢S304的显微组织表征集中在厚度为0.3毫米的金属板的深冲过程中。压制直径为33毫米以形成用于本实验的圆柱杯。在有润滑和无润滑的情况下，以0.86 mm / s和2 mm / s的速度进行深冲加工。在深冲过程之后，用甘油溶液蚀刻的杯的横截面的微观结构变化显示出奥氏体相变（Δε）至马氏体（Δε）。杯壁微观结构的显着伸长表明，在此部分中出现了很高的应变。比较了在有润滑剂和无润滑剂的情况下拉制的杯子的杯子横截面厚度和杯子壁上的裂纹形成情况。

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