Influence of the work hardening on springback of the U-bend 316L stainless steel

Abd Muin, Najihah (2017) Influence of the work hardening on springback of the U-bend 316L stainless steel. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

This research purpose is to study the influence of the work hardening on springback of u-bend stainless steel by using Hv Profile and surface morphology analysis. Springback is known as elastic recovery of formed part after unloading of the stainless steel material. Besides that, springback is a phenomena that occur after the material is rolled and bend until certain point. It is a geometrical changes in the final bending angle in the materials. Springback is influences by sheet thickness, yield strength, elastic modulus and bend radius. The material used in this project is known as 316L Stainless Steel which falls in ferrous alloys material. 316L stainless steel has been applied in many applications especially in surgical implant devices. Most of engineering part especially in medical implants, it consist of variety of shape, thickness and geometry. The metal forming processes were used to fabricate the plate either in straight or curve shape. For curve plate, there is thickness variation from 2.0 mm to 1.0 mm. for curve plate, it will introduce springback phenomenon and it can be analyse using experimental approach. For the experimental approach, there is an opportunity to investigate the relation between springback and other properties such as microhardness profile and the surface morphology of the metal.

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