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Factors Affecting Tensile Properties of Castings
Technical Paper
2004-01-1021
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
The basic data on the mechanical properties of a casting are frequently obtained from a tensile test, in which a suitable specimen machined from the casting is subjected to increasing axial load until it fractures. The engineering tension test is widely used by casting manufacturers as an acceptance test for customer specifications. However, tensile bars machined from castings often provide undesirable information, thereby leading one to question the part integrity.
This paper, therefore, discusses the various factors that affect tensile properties obtained from specimens machined from actual castings. These factors include:
- 1Type of casting process
- 2Wall thickness of castings
- 3Microstructure
- 4Size and distribution of inclusions in a tensile bar
- 5Type and distribution of porosity in a tensile bar
- 6Size and shape of tensile bar
- 7Location of tensile bar in a casting
Results from this investigation indicate that achieving undesirable tensile properties do not necessarily indicate that a part would not perform its intended function satisfactorily.
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Authors
Citation
DasGupta, R., DasGupta, S., and Brown, C., "Factors Affecting Tensile Properties of Castings," SAE Technical Paper 2004-01-1021, 2004, https://doi.org/10.4271/2004-01-1021.Also In
Advances in Lightweight Automotive Castings and Wrought Aluminum Alloys
Number: SP-1838; Published: 2004-03-08
Number: SP-1838; Published: 2004-03-08
References
- Corbit S. DasGupta R. “Squeeze Cast Automotive Applications and Squeeze Cast Aluminum Alloy Properties” SAE International Congress and Exposition Detroit 1999 paper no. 1999-01-0343
- Lillibridge et al “The Effect of Part Geometry on the Mechanical Properties of High Pressure Die Castings” Grand Valley State University Grand Rapids, MI July 11 2003
- Brown Craig “Metallurgical Investigation of Non Metallic Inclusions in Aluminum Castings' 66 th Annual Regional Foundry Conference Feb 13 2003
- DasGupta S. Private Communication
- DasGupta R. “Use of Flat and Round Bars in Castings” Internal Communication 2003