| Title |
Endurance in Al Alloy Melts and Wear Resistance of Titanium Matrix Composite Shot-Sleeve for Aluminum Alloy Die-casting |
| Authors |
최봉재(Bong Jae Choi); 성시영(Si Young Sung); 김영직(Young Jig Kim) |
| DOI |
https://doi.org/10.3365/KJMM.2012.50.2.176 |
| ISSN |
1738-8228(ISSN), 2288-8241(eISSN) |
| Keywords |
composites; self-propagating synthesis; wear; scanning electron microscopy |
| Abstract |
The main purpose of this study was to evaluate the endurance against Al alloy melts and wear resistance of an in-situ synthesized titanium matrix composite (TMC) sleeve for aluminum alloy die-casting. The conventional die-casting shot sleeve material was STD61 tool steel. TMCs have great thermal stability, wear and oxidation resistance. The in-situ reaction between Ti and B4C leads to two kinds of thermodynamically stable reinforcements, such as TiBw and TiCp. To evaluate the feasibility of the application to a TMCs diecasting shot sleeve, the interfacial reaction behavior was examined between Al alloys melts with TMCs and STD61 tool steel. The pin-on-disk type dry sliding wear test was also investigated for TMCs and STD61 tool steel. |