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PLD research for Coating material development to extend Tool life time of Pin insert SKD 61 which used for Aluminum Die Casting
Rusman Kosasih

Material and Metallurgical Engineering Department, School of Post Graduate Studies, Engineering Faculty, University of Indonesia
Kampus UI Depok, Jawa Barat 16424


Abstract

PVD-PLD process nowadays is used to produce a high quality thin film for superconductor – electric layers – medical application – magnetic layers – and resistant coating. This study is a series of PVD research which is used to find the best solution of coating PVD, so that the damage of the tool steel pin made from SKD 61 - hardness 48 ± 1 HRc can be minimized. The research stage was carried out by making research samples in the form of dummy blocks, which are made from SKD 61, PVD-PLD process with 3 types of coating material (AlCr 50:50 – AlTi1 50:50 – AlTi2 63:37), without Active gas such as N or C. The deposition of thin layer showed a promising result condition in which the element of the target exists by testing the samples using FESEM, SEM, XRF, EDS and Micro Hardness Vickers. The characterization testing was done at Physics Research Centre LIPI and PT XYZ Laboratory. The PLD – NdYAG process, which was done using Wave length 1064 nm, Q – switch delay 180 µs/ 70 mJoule - Vacuum 1.16 ~1.35 Torr - Process time 10 minutes, came out with a surface morphology of Al – Ti – Cr particle with 10 – 20 nm amorphous particles. The hardness of surfaces are 474 mHv – 523 mHv (single layer) and 477 mHv – 501 mHv (multiple layer). All of these materials have the same order of hardness from minimum to maximum for both single layer and multiple layer, which is AlCr – AlTi2 – AlTi1. This result will be a reference for further research activities, such as PLD process optimization, Active N gas application and Substrate heat treatment.

Keywords: PLD process – Coating material – Coating layer – Nanoparticle

Topic: Nano Science and Technology

Link: https://ifory.id/abstract/Qc3wRqzn269r

Conference: The 7th International Conference on Advanced Materials Science and Technology (ICAMST 2019)

Plain Format | Corresponding Author (Rusman Kosasih)

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