超高强高韧化钢的研究进展和展望

罗海文,沈国慧

Progress and Perspective of Ultra-High Strength Steels Having High Toughness

Haiwen LUO,Guohui SHEN

表3 典型二次硬化超高强韧钢的力学性能^{[20,42,43,44,45,46]}

Table 3 Mechanical properties of typical secondary hardening ultra-high strength steels^{[20,42,43,44,45,46]}

Steel	YS / MPa	UTS / MPa	EL / %	Hardness / HB	A_k (20 ℃) / J	Ref.
AerMet100	1760	1993	28	543	41	[20]
GC-19	1470	1670	9	-	49	[42]
AF1410	1520	1655	15	469	61	[43]
H-11	1675	2006	9.6	577	20	[44]
HY180	1345	1413	16	203	140	[44]
H-13	1397	1493	11.2	455	15.2	[45]
DT300	1500	1860	11.5	-	58	[46]