PT Journal AU Caisova, K Lattner, M Cais, J TI Durable Material Deposition via PTA upon Al-alloys SO Manufacturing Technology Journal PY 2022 BP 10 EP 13 VL 22 IS 1 DI 10.21062/mft.2022.002 DE PTA; Aluminium alloys; HSS30; Inconel 625; surfacing AB This study focuses on surface treatment of aluminium alloys by High Speed Steel (HSS30) via Plas-ma Transferred Arc. The main motivation of this research has been an assignment of local company in order to prolong the lifetime of a tire press molds, especially the interface of its segments. These segmented molds are made from aluminium alloy and their interface is exposed to multiple percus-sions, which leads to cracks. Therefore, PTA surfacing is considered as a suitable surface treatment for hardening its interface, yet benefit from lightweight of aluminium matrix. For purposes of this research AlSi9CuNiMn alloy was used as a matrix metal. Permeation in the contact zone was exam-ined via confocal and scanning electron microscope. Hardness of affected matrix area was measured by using Vickers Hardness Tester. ER