*Tatsuya MISAWA¹, Yuji KAWAKAMI², Masakazu KAWAHARA³ (1. Saga University(Japan), 2. Kurume National Collage of Technology(Japan), 3. Kawahara SPS Technical Office(Japan))

*Yuya MAEDA¹, Tatsuya MISAWA¹, Kenichi SUNAMOTO² (1. Saga University(Japan), 2. Akane Co., Ltd.(Japan))

*Thato Sharon TSHEPHE¹, Peter OLUBAMBI², Kenneth OZOEMENA³, Iakovos SIGALAS⁴ (1. Department of Metallurgical Engineering, University of Johannesburg, Johannesburg 2006(South Africa), 2. Department of Chemical Engineering, University of Johannesburg, Johannesburg 2006(South Africa), 3. School of Chemistry, University of the Witwatersrand, Wits 2050(South Africa), 4. School of Chemical and Metallurgical Engineering, University of the Witwatersrand, Wits 2050(South Africa))

*Hansang KWON^1,2, Jehong Park², Akira Kawasaki³ (1. Pukyong National University(Korea), 2. Next Generation Materials Co., Ltd(Korea), 3. Tohoku University(Japan))

*Thabiso LANGA¹, Peter OLUBAMBI¹, Miltia LESUFI¹ (1. Centre for Nanoengineering and Tribocorrosion, School of Mining, Metallurgy and Chemical Engineering University of Johannesburg(South Africa))

*THUYET MINH NGUYEN¹, JIN-CHUN KIM¹, JIN-HUYNG KIM¹, DONG-WAN LEE¹ (1. School of Materials Science and Engineering, University of Ulsan, korea(Korea))

*Guoqiang XIE^1,2,3, Shengli ZHU⁴, Hiroyasu KANETAKA^1,3 (1. Graduate School of Dentistry, Tohoku University, Sendai 980-8575(Japan), 2. Shenzhen Graduate School, Harbin Institute of Technology, Shenzhen 518055(China), 3. Graduate School of Biomedical Engineering, Tohoku University, Sendai 980-8579(Japan), 4. School of Materials Science and Engineering, Tianjin University, Tianjin 300072(China))

*Lianjun WANG¹, Wan JIANG¹ (1. College of Material Science & Engineering, Donghua University(China))

*Zhefeng XU¹, Kazuhiro MATSUGI¹, Shaoming KANG¹, Yombum CHOI¹, Jinku YU² (1. Graduate School of Engineering, Hiroshima University(Japan), 2. State Key Laboratory of Metastable Materials Science and Technology, Yanshan University(China))

*HIEN HUU NGUYEN¹, MAKOTO NANKO¹ (1. Nagaoka University of Technology(Japan))

*Moipone Linda LETHABANE¹, Lubabalo M KUBONI¹, Peter Apata OLUBAMBI², Bamidele Lawrence BAYODE¹, Mxolisi Brendon SHONGWE¹, Munyadziwa Mercy RAMAKOKOVHU¹ (1. Institute for NanoEngineering Research, Department of Chemical, Metallurgy and Materials Engineering, Tshwane University of Technology(South Africa), 2. Centre for Nanoengineering and Tribocorrosion, School of Mining, Metallurgy and Chemical Engineering, University of Johannesburg(South Africa))

*Abdollah Bahador¹, Esah Hamzah¹, Katsuyoshi Kondoh², Tuty Asma Abu bakar¹, Farazila Yusof³, Junko Umeda², Shota Kariya² (1. Universiti Teknologi Malaysia(Malaysia), 2. Osaka University(Japan), 3. University of Malaya(Malaysia))