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n South African Journal of Industrial Engineering - Peculiarities of single track formation from Ti6Al4V alloy at different laser power densities by selective laser melting

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Abstract

This paper describes the geometrical characteristics of single tracks manufactured by selective laser melting (SLM) at different laser powers (20-170 W) and scanning speeds (0.1-2.0 m/s). Simulation of temperature distribution during processing is carried out. A conclusion about the optimal process parameters and peculiarities of selective laser melting of Ti6Al4V alloy at low and high laser powers and scanning speeds is reached. The analysis of temperature fields creates opportunities to build parts with the desired properties by using SLM.

Hierdie artikel beskryf die geometriese karakterisering van enkel bane wat deur selektiewe laser smelting (SLS) teen verskillende laser energievlakke (20-170 W) en skandering snelhede (0.1-2.0 m/s) vervaardig is. 'n Simulasie van temperatuurverspreiding gedurende prosessering is uitgevoer. Gevolgtrekkings aangaande die optimale proses parameters en kenmerkende eienskappe van SLS van Ti6Al4V teen lae en hoë laser krag en skandering spoed is uitgevoer. Ontleding van temperatuurvelde skep geleenthede om onderdele met gewenste eienskappe te vervaardig deur middel van SLS.

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/content/indeng/26/3/EJC181209
2015-11-01
2016-12-08
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