Penetration Damaging Behavior of TB17 Titanium Alloy

Abstract:

The damage behavior of TB17 titanium alloy with ultra-high strength was studied by 12.7mm diameter armor piercing test. The characteristics and mechanism of damaging were analyzed by the observation of damage morphology of target board. The results indicated that the area was irregular at the opening stage, the internal wall were turtle-shell-like or poly-porous, a few cracks and no adiabatic shear band was observed. The zone was parabolic at the penetrating stage, the internal wall were granular or river pattern, adiabatic shear bands and fragments existed around the crater. A large number micro-pores and micro-cracks originating from the adiabatic shear bands expanded and formed macroscopic cracks. Finally, the target board fractured.

• Periodical: Materials Science Forum (Volume 993)
• Pages: 100-107
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.993.100
• Online since: May 2020
• Authors: Jing Li, Yun Peng Xin*, Tao Jiang, Xin Nan Wang, Zhi Shou Zhu
• Keywords: Adiabatic Shear Band, Penetration Damaging Behavior, TB17 Alloy

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