Evolution of Iron-containing Compounds in Al-Cu Alloys during Heat Treatment

The evolution of iron-containing compounds in Al-Cu 206 cast alloy during solution treatment has been investigated. Results show that platelet β-Fe and Chinese script α-Fe are the two iron-containing compounds in as-cast condition. Little change is observed on β-Fe during solution treatment. However...

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Main Authors: Liu Kun, Zhao Gang, Tian Ni
Format: Article
Language:English
Published: EDP Sciences 2016-01-01
Series:MATEC Web of Conferences
Online Access:http://dx.doi.org/10.1051/matecconf/20166705019
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author Liu Kun
Zhao Gang
Tian Ni
author_facet Liu Kun
Zhao Gang
Tian Ni
author_sort Liu Kun
collection DOAJ
description The evolution of iron-containing compounds in Al-Cu 206 cast alloy during solution treatment has been investigated. Results show that platelet β-Fe and Chinese script α-Fe are the two iron-containing compounds in as-cast condition. Little change is observed on β-Fe during solution treatment. However, fine blocky post β-Fe begins to form on α-Fe when solution treated at 520°C for 8hrs. When soaking time is extended to 24 hrs, α–Fe is found to decompose to fine branches while post β-Fe present as clusters on these branches. Al-Cu-Mg-Si Q phase is observed to form at the edge of decomposed α-Fe, possibly the result of Si from decomposed α-Fe.
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spelling doaj.art-2b8d5cf5a01349b794bbaa7b305e671f2022-12-21T23:05:02ZengEDP SciencesMATEC Web of Conferences2261-236X2016-01-01670501910.1051/matecconf/20166705019matecconf_smae2016_05019Evolution of Iron-containing Compounds in Al-Cu Alloys during Heat TreatmentLiu KunZhao GangTian NiThe evolution of iron-containing compounds in Al-Cu 206 cast alloy during solution treatment has been investigated. Results show that platelet β-Fe and Chinese script α-Fe are the two iron-containing compounds in as-cast condition. Little change is observed on β-Fe during solution treatment. However, fine blocky post β-Fe begins to form on α-Fe when solution treated at 520°C for 8hrs. When soaking time is extended to 24 hrs, α–Fe is found to decompose to fine branches while post β-Fe present as clusters on these branches. Al-Cu-Mg-Si Q phase is observed to form at the edge of decomposed α-Fe, possibly the result of Si from decomposed α-Fe.http://dx.doi.org/10.1051/matecconf/20166705019
spellingShingle Liu Kun
Zhao Gang
Tian Ni
Evolution of Iron-containing Compounds in Al-Cu Alloys during Heat Treatment
MATEC Web of Conferences
title Evolution of Iron-containing Compounds in Al-Cu Alloys during Heat Treatment
title_full Evolution of Iron-containing Compounds in Al-Cu Alloys during Heat Treatment
title_fullStr Evolution of Iron-containing Compounds in Al-Cu Alloys during Heat Treatment
title_full_unstemmed Evolution of Iron-containing Compounds in Al-Cu Alloys during Heat Treatment
title_short Evolution of Iron-containing Compounds in Al-Cu Alloys during Heat Treatment
title_sort evolution of iron containing compounds in al cu alloys during heat treatment
url http://dx.doi.org/10.1051/matecconf/20166705019
work_keys_str_mv AT liukun evolutionofironcontainingcompoundsinalcualloysduringheattreatment
AT zhaogang evolutionofironcontainingcompoundsinalcualloysduringheattreatment
AT tianni evolutionofironcontainingcompoundsinalcualloysduringheattreatment