Microstructural Transition and Elevated Temperature Tensile Properties of Modified Al–Si–Cu–Mg Alloys View Full Text


Ontology type: schema:Chapter     


Chapter Info

DATE

2017-02-12

AUTHORS

Mehdi Rahimian , Shouxun Ji , Paul Blake , Douglas Watson , Zhongyun Fan

ABSTRACT

In order to improve the mechanical properties of aluminium alloys used in automotive powertrain at elevated temperatures, the chemical composition of Al–Si–Cu–Mg alloys is modified by addition of transition elements. In comparison with the commonly used EN-AC-42000 alloy, the new aluminium alloy can significantly improve tensile properties at elevated temperatures. Microstructural investigation revealed that tuning of chemical composition can refine the strengthening phases and increase their volume fractions in the aluminium alloy. SEM observation demonstrated the existence of well distributed phases in the microstructure of the Developed alloy. As a result of microstructural modification, yield strength of Developed alloy is enhanced versus Base alloy (EN-AC-42000). The multiple strengthening mechanisms are responsible for the property improvement. More... »

PAGES

419-425

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/978-3-319-51541-0_52

DOI

http://dx.doi.org/10.1007/978-3-319-51541-0_52

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1083750716


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