9C系列粉末冶金高耐蚀铝合金腐蚀行为研究

房豪杰, 曲华, 杨黎晖, 曾庆亚, 王丽丹, 袁宁, 侯保荣, 曹立新, 袁迅道

Corrosion Behavior of 9C Series of Powder Metallurgy Al-alloy with High Corrosion Resistance

FANG Haojie, QU Hua, YANG Lihui, ZENG Qingya, WANG Lidan, YUAN Ning, HOU Baorong, CAO Lixin, YUAN Xundao

表2 3种铝合金在盐雾腐蚀不同时间范围内的平均腐蚀速率

Table 2 Average corrosion rate of three Al-alloys in the different periods of salt spray test (g·m-2·h)

Al-alloy Corrosion time / h Test 1 Test 2 Test 3 Test 4 Average 9C34 72 0.0285 0.0286 0.0257 0.0268 0.0274 144 0.0131 0.0131 0.0152 0.0147 0.0140 216 0.0142 0.0124 0.0147 0.0182 0.0149 288 0.0156 0.0161 0.0111 0.0134 0.0141 9C37 72 0.0149 0.0288 0.0316 0.0369 0.0281 144 0.0215 0.0212 0.0179 0.0202 0.0202 216 0.0106 0.0111 0.0138 0.0151 0.0127 288 0.0109 0.0102 0.0137 0.0129 0.0119 5083 72 0.0486 0.0500 0.0438 0.0496 0.0481 144 0.0292 0.0240 0.0262 0.0250 0.0261 216 0.0195 0.0161 0.0151 0.0155 0.0165 288 0.0190 0.0161 0.0167 0.0161 0.0170