节约型双相不锈钢<strong>TRIP</strong>效应致塑性增量及其固溶温度依赖性

节约型双相不锈钢TRIP效应致塑性增量及其固溶温度依赖性

陈雷,郝硕,梅瑞雪,贾伟,李文权,郭宝峰

Intrinsic Increment of Plasticity Induced by TRIP and Its Dependence on the Annealing Temperature in a Lean Duplex Stainless Steel

Lei CHEN,Shuo HAO,Ruixue MEI,Wei JIA,Wenquan LI,Baofeng GUO

表1 各条件下LDX的力学性能

Table 1 Mechanical properties of LDX under various conditions

T_a / ℃	T_d / ℃	σ_s / MPa	σ_b / MPa	e / %	e_u / %
1000	RT	566	984	61.2	55.0
	50	560	820	57.2	52.2
	70	555	785	55.7	50.8
	80	552	761	38.4	29.2
	90	551	758	40.9	28.7
1050	RT	540	986	63.8	57.6
	50	537	908	58.2	54.6
	70	535	827	55.0	52.8
	75	532	780	52.8	32.8
	80	530	775	49.0	31.0
1100	RT	531	966	65.1	58.1
	50	530	820	60.2	55.2
	60	528	768	58.6	53.0
	70	523	747	51.4	34.5
	90	514	745	47.8	33.0
1150	RT	522	805	63.5	57.0
	50	519	775	59.5	54.3
	65	518	690	50.0	34.8
	70	516	675	52.0	35.0
1200	RT	520	796	63.5	56.5
	50	516	775	59.4	53.7
	60	511	714	49.8	35.8
	70	509	700	46.8	34.8