Duplex Precipitates and Their Effects on the Room-temperature Fracture Behaviour of a NiAl-Strengthened Ferritic Alloy

Zhiqian Sun; Gian Song; Jan Ilavsky; Peter K. Liaw

doi:10.1080/21663831.2015.1021492

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Duplex Precipitates and Their Effects on the Room-temperature Fracture Behaviour of a NiAl-Strengthened Ferritic Alloy

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- Duplex Precipitates and Their Effects on the Room-temperature Fracture Behaviour of a NiAl-Strengthened Ferritic Alloy
- Duplex Precipitates and Their Effects on the Room-temperature Fracture Behaviour of a NiAl-Strengthened Ferritic Alloy
- 材料研究快报（英文） 2015年3卷第3期页码：128-134
- 作者机构：
  
  1. Department of Materials Science and Engineering The University of Tennessee Middle Drive Knoxville,1508
  2. ray Science Division Advanced Photon Source Argonne National Laboratory Lemont,X
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2015.1021492
  中图分类号：
- 网络首发：2015-03-23，
  
  纸质出版：2015
- 稿件说明：
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Zhiqian Sun, Gian Song, Jan Ilavsky, 等. Duplex Precipitates and Their Effects on the Room-temperature Fracture Behaviour of a NiAl-Strengthened Ferritic Alloy[J]. 材料研究快报（英文）, 2015,3(3):128-134.

Zhiqian Sun, Gian Song, Jan Ilavsky, et al. Duplex Precipitates and Their Effects on the Room-temperature Fracture Behaviour of a NiAl-Strengthened Ferritic Alloy[J]. Materials Research Letters, 2015, 3(3): 128-134.
Zhiqian Sun, Gian Song, Jan Ilavsky, 等. Duplex Precipitates and Their Effects on the Room-temperature Fracture Behaviour of a NiAl-Strengthened Ferritic Alloy[J]. 材料研究快报（英文）, 2015,3(3):128-134. DOI： 10.1080/21663831.2015.1021492.

Zhiqian Sun, Gian Song, Jan Ilavsky, et al. Duplex Precipitates and Their Effects on the Room-temperature Fracture Behaviour of a NiAl-Strengthened Ferritic Alloy[J]. Materials Research Letters, 2015, 3(3): 128-134. DOI： 10.1080/21663831.2015.1021492.

摘要

Abstract

Duplex precipitates are presented in a NiAl-strengthened ferritic alloy. They were characterized by the ultra-small angle X-ray scattering and transmission electron microscope. Fine cooling precipitates with the size of several to tens of nanometres harden the matrix considerably at room temperature. Cracks are likely to initiate from precipitates

and coalesce and propagate quickly through the matrix due to the excessive hardening effect of cooling precipitates

which lead to the premature fracture of NiAl-strengthened ferritic alloys.

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相关机构

c Department of Civil and Mechanical Engineering Technical University of Denmark

b Electron Microscopy Center of Chongqing University Chongqing University

a International Joint Laboratory for Light Alloys (MOE) College of Materials Science and Engineering Chongqing University Chongqing People’s Republic of China

a International Joint Laboratory for Light Alloys (MOE) College of Materials Science and Engineering Chongqing University

c Department of Materials Science and Engineering University of North Texas Denton

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