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Mechanical properties of directionally solidified lead-antimony alloys

The Pb-17wt% Sb alloy was directionally solidified under two solidification conditions: with different temperature gradients ( G =0.93–3.67 K/mm) at a constant growth rate ( V =17.50 μm/s) and with different growth rates ( V =8.3–497 μm/s) at a constant temperature gradient ( G =3.67 K/mm) in a Brid... Full description

Journal Title: International Journal of Minerals Metallurgy, and Materials, 2011, Vol.18(5), pp.582-588
Main Author: Şahin, Mevlüt
Other Authors: Kaya, Hasan
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: ISSN: 1674-4799 ; E-ISSN: 1869-103X ; DOI: 10.1007/s12613-011-0481-2
Link: http://dx.doi.org/10.1007/s12613-011-0481-2
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recordid: springer_jour10.1007/s12613-011-0481-2
title: Mechanical properties of directionally solidified lead-antimony alloys
format: Article
creator:
  • Şahin, Mevlüt
  • Kaya, Hasan
subjects:
  • lead-antimony alloy
  • directional solidification
  • microstructure
  • mechanical properties
ispartof: International Journal of Minerals, Metallurgy, and Materials, 2011, Vol.18(5), pp.582-588
description: The Pb-17wt% Sb alloy was directionally solidified under two solidification conditions: with different temperature gradients ( G =0.93–3.67 K/mm) at a constant growth rate ( V =17.50 μm/s) and with different growth rates ( V =8.3–497 μm/s) at a constant temperature gradient ( G =3.67 K/mm) in a Bridgman furnace. Microstructure parameters, such as primary dendrite arm spacing ( λ 1 ), secondary dendrite arm spacing ( λ 2 ), and dendrite tip radius ( R ), were measured. The microhardness (Hv) and ultimate tensile strength ( σ ) of the directional solidification samples were also measured. The influences of solidification and microstructure parameters on Hv and σ were investigated. The results obtained in this work were compared with similar experimental researches in literatures. It is shown that the Hv and σ values increase with the increase of G and V , but decrease with the increase of λ 1 , λ 2 , and R .
language: eng
source:
identifier: ISSN: 1674-4799 ; E-ISSN: 1869-103X ; DOI: 10.1007/s12613-011-0481-2
fulltext: fulltext
issn:
  • 1869-103X
  • 1869103X
  • 1674-4799
  • 16744799
url: Link


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descriptionThe Pb-17wt% Sb alloy was directionally solidified under two solidification conditions: with different temperature gradients ( G =0.93–3.67 K/mm) at a constant growth rate ( V =17.50 μm/s) and with different growth rates ( V =8.3–497 μm/s) at a constant temperature gradient ( G =3.67 K/mm) in a Bridgman furnace. Microstructure parameters, such as primary dendrite arm spacing ( λ 1 ), secondary dendrite arm spacing ( λ 2 ), and dendrite tip radius ( R ), were measured. The microhardness (Hv) and ultimate tensile strength ( σ ) of the directional solidification samples were also measured. The influences of solidification and microstructure parameters on Hv and σ were investigated. The results obtained in this work were compared with similar experimental researches in literatures. It is shown that the Hv and σ values increase with the increase of G and V , but decrease with the increase of λ 1 , λ 2 , and R .
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titleMechanical properties of directionally solidified lead-antimony alloys
descriptionThe Pb-17wt% Sb alloy was directionally solidified under two solidification conditions: with different temperature gradients ( G =0.93–3.67 K/mm) at a constant growth rate ( V =17.50 μm/s) and with different growth rates ( V =8.3–497 μm/s) at a constant temperature gradient ( G =3.67 K/mm) in a Bridgman furnace. Microstructure parameters, such as primary dendrite arm spacing ( λ 1 ), secondary dendrite arm spacing ( λ 2 ), and dendrite tip radius ( R ), were measured. The microhardness (Hv) and ultimate tensile strength ( σ ) of the directional solidification samples were also measured. The influences of solidification and microstructure parameters on Hv and σ were investigated. The results obtained in this work were compared with similar experimental researches in literatures. It is shown that the Hv and σ values increase with the increase of G and V , but decrease with the increase of λ 1 , λ 2 , and R .
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abstractThe Pb-17wt% Sb alloy was directionally solidified under two solidification conditions: with different temperature gradients ( G =0.93–3.67 K/mm) at a constant growth rate ( V =17.50 μm/s) and with different growth rates ( V =8.3–497 μm/s) at a constant temperature gradient ( G =3.67 K/mm) in a Bridgman furnace. Microstructure parameters, such as primary dendrite arm spacing ( λ 1 ), secondary dendrite arm spacing ( λ 2 ), and dendrite tip radius ( R ), were measured. The microhardness (Hv) and ultimate tensile strength ( σ ) of the directional solidification samples were also measured. The influences of solidification and microstructure parameters on Hv and σ were investigated. The results obtained in this work were compared with similar experimental researches in literatures. It is shown that the Hv and σ values increase with the increase of G and V , but decrease with the increase of λ 1 , λ 2 , and R .
copSpringer Berlin Heidelberg
pubNonferrous Metals Society of China
doi10.1007/s12613-011-0481-2
pages582-588
date2011-10