Q235焊接接头的缝隙腐蚀行为

喻巧红, 刘超, 庞晓露, 刘泉林, 高克玮

CREVICE CORROSION BEHAVIORS OF Q235 WELD JOINT

YU Qiaohong, LIU Chao, PANG Xiaolu, LIU Quanlin, GAO Kewei

表2 Q235焊接接头在不同温度和氧浓度的模拟溶液中浸泡180 d后的腐蚀深度

Table 2 Corrosion depths of Q235 weld joint after immersing for 180 d in the aerated and deaerated simulated groundwater at 25 and 90 ℃

Immersing temperature / ℃	Condition	D_{MAX, IC}/ μm	D_{MAX, CE}/ μm	D_{UNI, OC}/ μm
90	Aerated	209	-	WM 90, BM 20
	Deaerated	155	60	<8
25	Aerated	<5	-	WM 66, BM 30
	Deaerated	<4	-	<8