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Title: The effect of casting temperature on the fatigue properties of cast nickel aluminide alloys

Abstract

The results of high cycle fatigue tests at 650{degree}C on several cast Ni{sub 3}Al alloys are reported and compared to cast IN-713C. These alloys include IC-221M and several variations to the IC-221M composition. The effect of casting temperature is investigated using castings poured at three different temperatures spanning a 56{degree}C range. The results show that IC-221M cast at the highest temperature has the best fatigue strength, exceeding that for IN-713C. In these alloys, crack initiation occurs at shrinkage microporosity and the effect of casting temperature on porosity is related to the observed differences in fatigue lives. 11 refs., 4 figs.

Authors:
;
Publication Date:
Research Org.:
Oak Ridge National Lab., TN (United States)
Sponsoring Org.:
USDOE; USDOE, Washington, DC (United States)
OSTI Identifier:
5343227
Report Number(s):
CONF-910938-3
ON: DE92000432
DOE Contract Number:  
AC05-84OR21400
Resource Type:
Conference
Resource Relation:
Conference: International conference on high temperature aluminides and intermetallics, San Diego, CA (United States), 17-19 Sep 1991
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; ALUMINIUM ALLOYS; TENSILE PROPERTIES; YIELD STRENGTH; CHROMIUM ALLOYS; INTERMETALLIC COMPOUNDS; MATERIALS TESTING; NICKEL BASE ALLOYS; CRACK PROPAGATION; FAILURES; FATIGUE; HIGH TEMPERATURE; ALLOYS; MECHANICAL PROPERTIES; NICKEL ALLOYS; TESTING; 360103* - Metals & Alloys- Mechanical Properties

Citation Formats

Gieseke, B, and Sikka, V K. The effect of casting temperature on the fatigue properties of cast nickel aluminide alloys. United States: N. p., 1991. Web.
Gieseke, B, & Sikka, V K. The effect of casting temperature on the fatigue properties of cast nickel aluminide alloys. United States.
Gieseke, B, and Sikka, V K. 1991. "The effect of casting temperature on the fatigue properties of cast nickel aluminide alloys". United States. https://www.osti.gov/servlets/purl/5343227.
@article{osti_5343227,
title = {The effect of casting temperature on the fatigue properties of cast nickel aluminide alloys},
author = {Gieseke, B and Sikka, V K},
abstractNote = {The results of high cycle fatigue tests at 650{degree}C on several cast Ni{sub 3}Al alloys are reported and compared to cast IN-713C. These alloys include IC-221M and several variations to the IC-221M composition. The effect of casting temperature is investigated using castings poured at three different temperatures spanning a 56{degree}C range. The results show that IC-221M cast at the highest temperature has the best fatigue strength, exceeding that for IN-713C. In these alloys, crack initiation occurs at shrinkage microporosity and the effect of casting temperature on porosity is related to the observed differences in fatigue lives. 11 refs., 4 figs.},
doi = {},
url = {https://www.osti.gov/biblio/5343227}, journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Jan 01 00:00:00 EST 1991},
month = {Tue Jan 01 00:00:00 EST 1991}
}

Conference:
Other availability
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