ODS铁素体钢研究进展_章林.pdf

第27 卷 第4期 总第120期 V o l1 27 No1 4 Jo urnal o f Mat er ials Science Eng ineer ing A ug . 2009 : 1673- 2812( 2009 04-0639- 06 ODS , , , , ( , 100083 = ODS , OD S Y O / A- 2 3 Fe ( EX . O T i A- F e , Ay COD S = ; ; ; : T L6 1. 3 : A Research Progress of ODSFerrite Steels ZHAN Lin, QU Xuan-hui, HE Xin-bo, DUAN Bai-hua, QIN Ming-li (School of Materials ScienceandEngineering, Beijing University of Scienceand Technology, Beijing 100083, China) = Abstract Ox ide dispersion str eng thened ( O DS f er rit e steels ex hibit ex cellent radiatio n resistance and sig nif icant improv ement o f high temper atur e creep streng th. It is r egar ded as an att ractiv e candidate fo r advanced f ast r eacto r fuel cladding and the f irst w all of t he fusio n reacto r. In this paper , the f abricatio n pro cess and the main diff iculties co nfr onted w ith ODS f er rite steels w ere intr oduced. T he main focu s w as on the disso lution/ pr ecipitatio n o f Y O , the f acto rs influencing the 2 3 format ion o f residual A- Fe and the creep resistance of ODS steels . A dditionally, the importance o f inter mediate heat treatment during cold rolling of thin w all cladding tubes w as discussed. F inally, t hr ee kinds of methods including recr ystallizatio n, martensitic tr ansfo rmatio n and Ay C transformat ion w er e ap