Piercing and Surface-Crack Defects in Cold Combined Forward-Backward Extrusion

Piercing and Surface-Crack Defects in Cold Combined Forward-Backward Extrusion

Metal flow tends to be complex and difficult to predict in the combined forward-backward extrusion (CFBE) process. Piercing and surface-crack defects are phenomenal in forming fasteners featuring a forward extruded pin and a backward extruded cup. In this work, a series of the CFBE tests with variou...

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Bibliographic Details
Main Authors: Heng-Sheng Lin, Chien-Yu Lee, Wen-Shun Li
Format: Article
Language:English
Published: MDPI AG 2021-04-01
Series:Applied Sciences
Subjects:
combined forward-backward extrusion
piercing defect
surface-crack defect
fracturing damage
Online Access:https://www.mdpi.com/2076-3417/11/9/3900

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