Manufacturing Technology 2022, 22(1):10-13 | DOI: 10.21062/mft.2022.002
Durable Material Deposition via PTA upon Al-alloys
- Faculty of Mechanical Engineering, J. E. Purkyne University in Usti nad Labem. Pasteurova 3334/7, 400 01 Usti nad Labem. Czech Republic
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.
Keywords: PTA, Aluminium alloys, HSS30, Inconel 625, surfacing
Grants and funding:
The authors acknowledge the infrastructure and support of Science and Technology Park FSI UJEP.
Received: October 15, 2021; Revised: January 8, 2022; Accepted: January 20, 2022; Prepublished online: January 28, 2022; Published: February 26, 2022 Show citation
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