The Effect of Heat Treatment on the Microstructure and Mechanical Properties of Cu-Al-Mn Shape Memory Alloy

The Effect of Heat Treatment on the Microstructure and Mechanical Properties of Cu-Al-Mn Shape Memory Alloy

The 8-mm diameter bars of Cu-Al-Mn shape memory alloys were produced by continuous casting technique. The samples were characterised using optical microscopy and scanning electron microscopy along with EDX analysis. The continuous cast alloy revealed some martensitic phase, which, after quenching, l...

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Main Authors: Stjepan Kožuh, Mirko Gojić, Ivana Ivanić, Tamara Holjevac Grgurić, Borut Kosec, Ivan Anžel
Format: Article
Language:English
Published: Croatian Society of Chemical Engineers 2018-01-01
Series:Kemija u Industriji
Subjects:
mechanical properties
microstructure
scanning electron microscopy (SEM)
quenching
shape memory alloys (SMAs)
ageing
Online Access:http://silverstripe.fkit.hr/kui/assets/Uploads/2-11-18.pdf
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spelling doaj-c3c462467fe740be95bd3c247cb2faa22020-11-25T00:25:26ZengCroatian Society of Chemical EngineersKemija u Industriji0022-98301334-90902018-01-01671-2111710.15255/KUI.2017.025The Effect of Heat Treatment on the Microstructure and Mechanical Properties of Cu-Al-Mn Shape Memory AlloyStjepan Kožuh0Mirko Gojić1Ivana Ivanić2Tamara Holjevac Grgurić3Borut Kosec4Ivan Anžel5University of Zagreb, Faculty of Metallurgy, Aleja narodnih heroja 3, 44 103 Sisak, CroatiaUniversity of Zagreb, Faculty of Metallurgy, Aleja narodnih heroja 3, 44 103 Sisak, CroatiaUniversity of Zagreb, Faculty of Metallurgy, Aleja narodnih heroja 3, 44 103 Sisak, CroatiaUniversity of Zagreb, Faculty of Metallurgy, Aleja narodnih heroja 3, 44 103 Sisak, CroatiaUniversity of Ljubljana, Faculty of Natural Science and Engineering, Aškerčeva 12, 1000, Ljubljana, SloveniaUniversity of Maribor, Faculty of Mechanical Engineering, Smetanova 17, 2000, Maribor, SloveniaThe 8-mm diameter bars of Cu-Al-Mn shape memory alloys were produced by continuous casting technique. The samples were characterised using optical microscopy and scanning electron microscopy along with EDX analysis. The continuous cast alloy revealed some martensitic phase, which, after quenching, led to the microstructure that is completely martensite. Quenching of samples had an effect on several mechanical properties and change in morphology of fracture. After ageing at 200 °C and 300 °C, the tensile strength increased and elongation drastically decreased. Morphology of fracture surface changed from primary ductile to a mixture of intergranular and ductile.http://silverstripe.fkit.hr/kui/assets/Uploads/2-11-18.pdfmechanical propertiesmicrostructurescanning electron microscopy (SEM)quenchingshape memory alloys (SMAs)ageing
collection DOAJ
language English
format Article
sources DOAJ
author Stjepan Kožuh
Mirko Gojić
Ivana Ivanić
Tamara Holjevac Grgurić
Borut Kosec
Ivan Anžel
spellingShingle Stjepan Kožuh
Mirko Gojić
Ivana Ivanić
Tamara Holjevac Grgurić
Borut Kosec
Ivan Anžel
The Effect of Heat Treatment on the Microstructure and Mechanical Properties of Cu-Al-Mn Shape Memory Alloy
Kemija u Industriji
mechanical properties
microstructure
scanning electron microscopy (SEM)
quenching
shape memory alloys (SMAs)
ageing
author_facet Stjepan Kožuh
Mirko Gojić
Ivana Ivanić
Tamara Holjevac Grgurić
Borut Kosec
Ivan Anžel
author_sort Stjepan Kožuh
title The Effect of Heat Treatment on the Microstructure and Mechanical Properties of Cu-Al-Mn Shape Memory Alloy
title_short The Effect of Heat Treatment on the Microstructure and Mechanical Properties of Cu-Al-Mn Shape Memory Alloy
title_full The Effect of Heat Treatment on the Microstructure and Mechanical Properties of Cu-Al-Mn Shape Memory Alloy
title_fullStr The Effect of Heat Treatment on the Microstructure and Mechanical Properties of Cu-Al-Mn Shape Memory Alloy
title_full_unstemmed The Effect of Heat Treatment on the Microstructure and Mechanical Properties of Cu-Al-Mn Shape Memory Alloy
title_sort effect of heat treatment on the microstructure and mechanical properties of cu-al-mn shape memory alloy
publisher Croatian Society of Chemical Engineers
series Kemija u Industriji
issn 0022-9830
1334-9090
publishDate 2018-01-01
description The 8-mm diameter bars of Cu-Al-Mn shape memory alloys were produced by continuous casting technique. The samples were characterised using optical microscopy and scanning electron microscopy along with EDX analysis. The continuous cast alloy revealed some martensitic phase, which, after quenching, led to the microstructure that is completely martensite. Quenching of samples had an effect on several mechanical properties and change in morphology of fracture. After ageing at 200 °C and 300 °C, the tensile strength increased and elongation drastically decreased. Morphology of fracture surface changed from primary ductile to a mixture of intergranular and ductile.
topic mechanical properties
microstructure
scanning electron microscopy (SEM)
quenching
shape memory alloys (SMAs)
ageing
url http://silverstripe.fkit.hr/kui/assets/Uploads/2-11-18.pdf
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