@article{deng_ju_li_2017,  title={Finite Element Modeling and Experimental Verification of Nitriding Process in S30C Steel},  volume={20},  ISSN={1516-1439},  url={https://doi.org/10.1590/1980-5373-MR-2016-0531},  DOI={10.1590/1980-5373-MR-2016-0531},  number={2},  journal={Materials Research},  publisher={ABM, ABC, ABPol},  author={Deng, Xiaohu and Ju, Dong-ying and Li, Min},  year={2017},  month={Mar},  pages={509–513} }