Surface nanostructuring of TIMETAL 834 using excimer laser treatment
作者： S. Mahanty , Gouthama
DOI: 10.1080/02670844.2015.1120477
关键词:
摘要: Excimer pulse laser is one of the processing tools which can effectively modify metals surface by retention non-equilibrium characteristics. In present study, Ti alloy subjected to excimer pulsed treatment at a fluence ∼5 J cm−2 in argon atmosphere. The modified microstructures were analysed TEM. phase evaluation was done through XRD and TEM/SADP (Selected Area Diffraction Pattern). effective changes tribological behaviour evaluated fretting wear test. After 10 pulse, ultrafine grains size range ∼100–700 nm observed. However, 30 treated sample showed formation nanocrystalline with grain ∼30–70 nm nanoscale twinning spacing ∼10 nm. characteristic found improve after treatment.
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