Strengthening mechanism of 93WNiFe alloys by adding micro rare earth elements

Zhao Hui Zhang; Huan De Chen; Fu Chi Wang; Shu Kui Li

Strengthening mechanism of 93WNiFe alloys by adding micro rare earth elements

Zhao Hui Zhang^*, Huan De Chen, Fu Chi Wang, Shu Kui Li

^*Corresponding author for this work

School of Material Science and Engineering

Beijing Institute of Technology

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

The 93W-4.9Ni-2.1Fe alloys with addition of 0.15% La and Ce were prepared by powder metallurgy method. The microstructures and mechanical properties of the 93WNiFe alloys were examined, and the strengthening mechanisms were investigated. The results indicate that the addition of micro La and Ce into the 93 tungsten alloys can remarkably improve the dynamic mechanical properties of the alloys. The main strengthening mechanisms include the decrease of the free impurity elements of oxygen and sulfur in the alloys, reduction of the contiguity of tungsten grains, and tardy growth prohibition of the tungsten grains during the sintering process.

Original language	English
Pages (from-to)	1492-1496
Number of pages	5
Journal	Beijing Ligong Daxue Xuebao/Transaction of Beijing Institute of Technology
Volume	30
Issue number	12
Publication status	Published - Dec 2010

Keywords

Mechanical properties
Rare earth element
Strengthening mechanism
Tungsten alloys

Cite this

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title = "Strengthening mechanism of 93WNiFe alloys by adding micro rare earth elements",

abstract = "The 93W-4.9Ni-2.1Fe alloys with addition of 0.15% La and Ce were prepared by powder metallurgy method. The microstructures and mechanical properties of the 93WNiFe alloys were examined, and the strengthening mechanisms were investigated. The results indicate that the addition of micro La and Ce into the 93 tungsten alloys can remarkably improve the dynamic mechanical properties of the alloys. The main strengthening mechanisms include the decrease of the free impurity elements of oxygen and sulfur in the alloys, reduction of the contiguity of tungsten grains, and tardy growth prohibition of the tungsten grains during the sintering process.",

keywords = "Mechanical properties, Rare earth element, Strengthening mechanism, Tungsten alloys",

author = "Zhang, {Zhao Hui} and Chen, {Huan De} and Wang, {Fu Chi} and Li, {Shu Kui}",

year = "2010",

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language = "English",

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pages = "1492--1496",

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T1 - Strengthening mechanism of 93WNiFe alloys by adding micro rare earth elements

AU - Zhang, Zhao Hui

AU - Chen, Huan De

AU - Wang, Fu Chi

AU - Li, Shu Kui

PY - 2010/12

Y1 - 2010/12

N2 - The 93W-4.9Ni-2.1Fe alloys with addition of 0.15% La and Ce were prepared by powder metallurgy method. The microstructures and mechanical properties of the 93WNiFe alloys were examined, and the strengthening mechanisms were investigated. The results indicate that the addition of micro La and Ce into the 93 tungsten alloys can remarkably improve the dynamic mechanical properties of the alloys. The main strengthening mechanisms include the decrease of the free impurity elements of oxygen and sulfur in the alloys, reduction of the contiguity of tungsten grains, and tardy growth prohibition of the tungsten grains during the sintering process.

AB - The 93W-4.9Ni-2.1Fe alloys with addition of 0.15% La and Ce were prepared by powder metallurgy method. The microstructures and mechanical properties of the 93WNiFe alloys were examined, and the strengthening mechanisms were investigated. The results indicate that the addition of micro La and Ce into the 93 tungsten alloys can remarkably improve the dynamic mechanical properties of the alloys. The main strengthening mechanisms include the decrease of the free impurity elements of oxygen and sulfur in the alloys, reduction of the contiguity of tungsten grains, and tardy growth prohibition of the tungsten grains during the sintering process.

KW - Mechanical properties

KW - Rare earth element

KW - Strengthening mechanism

KW - Tungsten alloys

UR - http://www.scopus.com/inward/record.url?scp=78651419226&partnerID=8YFLogxK

M3 - Article

AN - SCOPUS:78651419226

SN - 1001-0645

VL - 30

SP - 1492

EP - 1496

JO - Beijing Ligong Daxue Xuebao/Transaction of Beijing Institute of Technology

JF - Beijing Ligong Daxue Xuebao/Transaction of Beijing Institute of Technology

IS - 12

ER -

Strengthening mechanism of 93WNiFe alloys by adding micro rare earth elements

Abstract

Keywords

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