2014-11-18|

A paper by Prof Lo Kin Ho, head of the University of Macau’s (UM) Department of Electromechanical Engineering and a joint associate professor at the Institute of Applied Physics and Materials Engineering, has been selected as the cover story of the November 2014 issue of the SCI-E journal Steel Research International (SRI).

The paper by Prof Lo is entitled “Deformation-Induced Role Switching Between Ferrite and Austenite in the Precipitation of Carbides at High Temperatures in Duplex Stainless Steels”. In the paper, it is shown that the austenite phase of ferritic-austenitic stainless steel, which is always considered to be inert to precipitation in comparison to the ferrite phase, will become the active precipitating phase within a narrow temperature range above 900ºC, if the steel is plastically deformed.

Published by Wiley-VCH, Steel Research International is a well-respected journal in the fields of metallurgy, steelmaking, and metal forming. It was formerly known as “Archiv für das Eisenhüttenwesen” and “steel research” whose origins can be traced back to the 1920s.

澳門大學科技學院機電工程系系主任、應用物理及材料工程研究所的羅健豪副教授所撰寫的學術論文“由塑性變形誘發的雙相不鏽鋼高溫碳化物析出行為的改變現象”,榮登科學引文索引擴展版(SCI-E)期刊《Steel Research International》十一月號的封面故事。

羅健豪副教授的論文探討了雙相不鏽鋼鐵素體相與奧氏體相的高溫析出現象,指出假如雙相不鏽鋼曾經經歷塑性變形,其奧氏體相在攝氏九百度以上一個很窄的溫區內,將會取代鐵素體相成為析出現象發生的主要場所,而目前文獻上一般認為奧氏體相是不會有大量析出現象發生。
《Steel Research International》創刊於上世紀二十年代,並由著名出版商Wiley-VCH出版,是冶金和鋼鐵學科中的重要期刊之一,舊刊名為《Archiv für das Eisenhüttenwesen》和《steel research》。