Influence of quenchant variations solution treatment and holding time artificial aging on microstructure and hardness of Cu-Zn-Al alloys in shape memory alloy materials

Mavindra Ramadhani*, Rochman Rochiem, Alvian Toto Wibisono, Retno Damastuti, Muhammad Nur Indrajati

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Shape memory alloy is a smart alloy. One of these alloys is Cu-Zn-Al alloy. In this study, the Cu-11.9Zn-6.72Al alloy was used to analyze influence of variations in the cooling medium for the solution treatment process and variations in holding time for the artificial aging process of Cu-Zn-Al on the microstructure and hardness in shape memory alloy materials. Then the tests were carried out, namely OES, XRD, metallography and hardness. The microstructure of the solution treatment with variations in the cooling media of brine and ice water has a difference in the shape of the phase. The hardness of the solution treatment using brine cooling media has a greater hardness value than ice water cooling media with a value of 181.33±5.43 HV. The artificial aging microstructure with a holding time variation of 8 hours has twinned martensite which is darker than other holding time variations. The hardness of the artificial aging results increased from a holding time variation of 4 hours to 8 hours, with the highest hardness value of a holding time variation of 8 hours using ice water as a cooling medium of 248.67±10.65 HV.

Original languageEnglish
Title of host publicationInternational Conference on Mechanical Engineering and Emerging Technologies, ICOMEET 2021
EditorsLovely Son, Haznam Putra, Ismet Hari Mulyadi, Jhon Malta, Dedison Gasni
PublisherAmerican Institute of Physics Inc.
ISBN (Electronic)9780735444768
DOIs
Publication statusPublished - 3 May 2023
Event1st International Conference on Mechanical Engineering and Emerging Technologies, ICOMEET 2021 - Padang, Virtual, Indonesia
Duration: 3 Nov 2021 → …

Publication series

NameAIP Conference Proceedings
Volume2592
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

Conference1st International Conference on Mechanical Engineering and Emerging Technologies, ICOMEET 2021
Country/TerritoryIndonesia
CityPadang, Virtual
Period3/11/21 → …

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