Research on defomation and fracture of Ni-Ti shape memory alloys under the penetration of pojectiles
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Affiliation:
Beijing Institute of Technology,Beijing Institute of Technology
Clc Number:
TG 146.1 5
Fund Project:
Research Foundation of the General Armament Department (6140506)
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Abstract:
Damage and fracture of Ni-Ti plate during high velocity impact have been investigated in this paper.The deformation microstructures have been studied by optical microscope.The results indicate that stress induced martensitic phase transformation (SIM) in Ni-Ti plate matrix for Austenite phase in the process of penetration.Defomation and fracture of Ni-Ti plate due to shearing band and micro-crack nucleated in interface with fracture mechanisms of microvoid nucleation, growth and coalescence.
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[zhangxiao, yangsuyuan. Research on defomation and fracture of Ni-Ti shape memory alloys under the penetration of pojectiles[J]. Rare Metal Materials and Engineering,2016,45(5):1235~1239.] DOI：[doi]