Abstract
In this study, the (Al2O3+AlB2)/Al composites were in–situ synthesized via chemical reactions between 90 wt% of Al and 10 wt% of B2O3 powders, followed with hot extrusion. Heterogeneous microstructures were achieved through altering the fineness of raw Al powders. The yield strength (YS), ultimate tensile strength (UTS) and elongation (EL) of the composite fabricated by 90 wt% of fine Al powder are 350 MPa, 401 MPa and 6.0%, respectively. The composite fabricated by 60 wt% of fine Al powder and 30 wt% of coarse Al powder have the best tensile properties, with the YS, UTS and EL of 372 MPa, 460 MPa and 7.2%, respectively. The YS, UTS and EL of the composite fabricated by 60 wt% of coarse Al powder and 30 wt% of fine Al powder are 335 MPa, 416 MPa and 5.1%, respectively, while it has the most attractive work hardening ability. This work may shed new lights for the design of Al based composites.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
