Home Kovove Materialy-Metallic Materials 2014 Metallic Materials Vol. 52 (2014), no. 4, pp.203-208

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Metallic Materials Vol. 52 (2014), no. 4, pp.203-208

Title: Physical and wear properties of laser melting deposited composites on a TA1 alloy
Author: PENG LI

Abstract: This work is based on the Stellite SF12-NB-Sn composites deposited on a TA1 titanium alloy using a laser melting deposition (LMD) technique, the parameters of which are such as to provide almost crack-free composites with very low porosity. To our knowledge, it is the first time that the Stellite SF12-NB-Sn mixed powders are deposited as the hard composites by a LMD technique. The test results indicated that the heteromorphy Ti3Sn phases were produced through the in situ metallurgical reactions, which grew along (101), (110) and (200), and a lot of the amorphous phases were also produced. Scanning electron microscope images indicated that the nanoscale particles and nanorods were produced in such composites. Compared with a TA1 alloy, an increasement of the micro-hardness and wear resistance is obtained for such composites.

Keywords: amorphous materials, coating materials, nanofabrications, lasers
Year: 2014, Volume: 52, Issue: 4 Page From: 203, Page To: 208
doi:10.4149/km_2014_4_203


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