The Microstructural Characterization and Mechanical Properties of 5 vol. % (TiBw + TiCp)/Ti Composite Produced by Open-Die Forging

The Microstructural Characterization and Mechanical Properties of 5 vol. % (TiBw + TiCp)/Ti Composite Produced by Open-Die Forging

In this study, a Ti composite reinforced with 5 vol. % (TiBw + TiCp) was fabricated by an in situ casting route. Open die forging in (α + β) phase region was conducted on the composite casting. The microstructures of the as-forged composite pancake are inhomogeneous in terms of ma...

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Main Authors: Jianchao Han, Zhidan Lü, Changjiang Zhang, Shuzhi Zhang, Hongzhou Zhang, Peng Lin, Peng Cao
Format: Article
Language:English
Published: MDPI AG 2018-06-01
Series:Metals
Subjects:
titanium matrix composites
in situ formed reinforcements
microstructure
mechanical properties
forging
Online Access:http://www.mdpi.com/2075-4701/8/7/485
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spelling doaj-3364b5cbd6ce429eadf5c73206ec59342020-11-24T21:58:34ZengMDPI AGMetals2075-47012018-06-018748510.3390/met8070485met8070485The Microstructural Characterization and Mechanical Properties of 5 vol. % (TiBw + TiCp)/Ti Composite Produced by Open-Die ForgingJianchao Han0Zhidan Lü1Changjiang Zhang2Shuzhi Zhang3Hongzhou Zhang4Peng Lin5Peng Cao6School of Mechanical Engineering, Taiyuan University of Technology, Taiyuan 030024, ChinaSchool of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, ChinaSchool of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, ChinaSchool of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, ChinaDepartment of Chemical and Materials Engineering, University of Auckland, Private Bag 92019, Auckland 1142, New ZealandSchool of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, ChinaDepartment of Chemical and Materials Engineering, University of Auckland, Private Bag 92019, Auckland 1142, New ZealandIn this study, a Ti composite reinforced with 5 vol. % (TiBw + TiCp) was fabricated by an in situ casting route. Open die forging in (α + β) phase region was conducted on the composite casting. The microstructures of the as-forged composite pancake are inhomogeneous in terms of matrix microstructure and distribution of reinforcements. The matrix grains are gradually refined from the periphery to centre of the pancake. The reinforcements TiBw and TiCp tend to be uniformly distributed in the centre region. It is suggested that the microstructure difference can be mainly ascribed to the temperature variation from the periphery to the centre. The tensile testing results show that the centre region of the composite pancake exhibits higher strength than the peripheral region. The mechanical behaviour of the composite pancake with the temperature is discussed.http://www.mdpi.com/2075-4701/8/7/485titanium matrix compositesin situ formed reinforcementsmicrostructuremechanical propertiesforging
collection DOAJ
language English
format Article
sources DOAJ
author Jianchao Han
Zhidan Lü
Changjiang Zhang
Shuzhi Zhang
Hongzhou Zhang
Peng Lin
Peng Cao
spellingShingle Jianchao Han
Zhidan Lü
Changjiang Zhang
Shuzhi Zhang
Hongzhou Zhang
Peng Lin
Peng Cao
The Microstructural Characterization and Mechanical Properties of 5 vol. % (TiBw + TiCp)/Ti Composite Produced by Open-Die Forging
Metals
titanium matrix composites
in situ formed reinforcements
microstructure
mechanical properties
forging
author_facet Jianchao Han
Zhidan Lü
Changjiang Zhang
Shuzhi Zhang
Hongzhou Zhang
Peng Lin
Peng Cao
author_sort Jianchao Han
title The Microstructural Characterization and Mechanical Properties of 5 vol. % (TiBw + TiCp)/Ti Composite Produced by Open-Die Forging
title_short The Microstructural Characterization and Mechanical Properties of 5 vol. % (TiBw + TiCp)/Ti Composite Produced by Open-Die Forging
title_full The Microstructural Characterization and Mechanical Properties of 5 vol. % (TiBw + TiCp)/Ti Composite Produced by Open-Die Forging
title_fullStr The Microstructural Characterization and Mechanical Properties of 5 vol. % (TiBw + TiCp)/Ti Composite Produced by Open-Die Forging
title_full_unstemmed The Microstructural Characterization and Mechanical Properties of 5 vol. % (TiBw + TiCp)/Ti Composite Produced by Open-Die Forging
title_sort microstructural characterization and mechanical properties of 5 vol. % (tibw + ticp)/ti composite produced by open-die forging
publisher MDPI AG
series Metals
issn 2075-4701
publishDate 2018-06-01
description In this study, a Ti composite reinforced with 5 vol. % (TiBw + TiCp) was fabricated by an in situ casting route. Open die forging in (α + β) phase region was conducted on the composite casting. The microstructures of the as-forged composite pancake are inhomogeneous in terms of matrix microstructure and distribution of reinforcements. The matrix grains are gradually refined from the periphery to centre of the pancake. The reinforcements TiBw and TiCp tend to be uniformly distributed in the centre region. It is suggested that the microstructure difference can be mainly ascribed to the temperature variation from the periphery to the centre. The tensile testing results show that the centre region of the composite pancake exhibits higher strength than the peripheral region. The mechanical behaviour of the composite pancake with the temperature is discussed.
topic titanium matrix composites
in situ formed reinforcements
microstructure
mechanical properties
forging
url http://www.mdpi.com/2075-4701/8/7/485
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