Shock peening of Ti-Al-V-Zr alloy with a repetitively pulsed CO2 laser

The surface hardening of the Ti-Al-V-Zr titanium alloy is studied experimentally; the process is performed by a pulse-periodic CO2 laser with Q-switching. Tensile tests of the treated samples showed that when the sample ruptures, an initiating crack appears in the main material outside the treatment...

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Bibliographic Details
Main Authors: Shulyatyev, V. B., Orishich, A. M., Karpov, E. V.
Format: Conference Proceeding
Language:English
Subjects:
Carbon dioxide
Carbon dioxide lasers
Crack propagation
Cracks
High power lasers
Laser beam hardening
Lasers
Surface hardening
Tensile tests
Titanium alloys
Titanium base alloys
Vanadium
Zirconium base alloys
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Summary:The surface hardening of the Ti-Al-V-Zr titanium alloy is studied experimentally; the process is performed by a pulse-periodic CO2 laser with Q-switching. Tensile tests of the treated samples showed that when the sample ruptures, an initiating crack appears in the main material outside the treatment zone. In the case of the already propagating crack in the treated area, no side cracks are observed. In this case, a series of high-power laser pulses increases the strength and yield strength of titanium alloy samples.
ISSN:0094-243X
1551-7616
DOI:10.1063/5.0028333