| Issue |
MATEC Web Conf.
Volume 90, 2017
The 2nd International Conference on Automotive Innovation and Green Vehicle (AiGEV 2016)
|
|
|---|---|---|
| Article Number | 01014 | |
| Number of page(s) | 6 | |
| DOI | https://doi.org/10.1051/matecconf/20179001014 | |
| Published online | 20 December 2016 | |
Effect of heat-treatment on the hardness and mechanical properties of Boron Alloyed Steel
Faculty of Mechanical Engineering, Universiti Malaysia Pahang (UMP), 26600 Pekan, Pahang, Malaysia
* Corresponding author: salwani@ump.edu.my
In an automotive industry, hot stamped, die quenched structural components have been widely used to provide extra protection against crash intrusion. Boron alloyed steel exhibit limited ductility, but it also promotes improvement in impact performance. This study analyzed the effect of cooling rate on the hardness and energy absorption. Self-quenched specimens were heated to 850°C and cooled in air of room temperature, water at room temperature and cold water. Vickers hardness test and tensile test was then carried out to analyze the effect of different quenching rate. Self-quenched specimens were compared to the properties of the die-quenched specimens obtained from commercial automobile body. Result shows that boron steel with the highest cooling rate has the highest value of hardness but low in strength.
© The Authors, published by EDP Sciences, 2017
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