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1、金属材料的腐蚀与防腐措施研究金属材料受周围介质的作用而损坏,称为金属腐蚀•金属的锈蚀是最常见的腐蚀形态•腐蚀吋,在金属的界面上发生了化学或屯化学多相反应,使金属转入氧化(离子)状态•这会显著降低金属材料的强度、塑性、韧性等力学性能,破坏金展构件的几何形状,增加零件间的磨损,恶化电学和光学等物理性能,缩短设备的使用寿命,甚至造成火灾、爆炸等灾难性事故•找了篇金属材料的腐蚀与防腐蚀措施的小文章简单做了下翻译:MetalCorrosionandCorrosionMeasures1,thecorrosionofmetalmater
2、ialsCorrosionofmetallicmaterials,isthemetalcontactmaterialandthesurroundingmediumachemicalorelectrochemicalactionresultingfromadestructivephenomenon.Asthecorrosionofmetallicmaterialscancauseequipmenttorun,run,drip,leak,pollutingtheenvironmerit,andevenpoisoning,fir
3、es,explosionsandbadaccidentsandseriouswasteofresourcesandenergy.Therefore,thecorrosionmechanismofmetalmaterialsandunderstandthecausesofcorrosionoccursandtakeeffectiveprotectivemeasures,forlongerequipmentlife,reducecostsandimprovelaborproductivityareofgreatsignific
4、ance.1.1ClassificationofmetalcorrosionInaccordancewiththemechanismofmetalcorrosioncanbedividedintochemicalcorrosionofmetalcorrosionandelectrochemicalcorrosiontwocategories・Eitherchemicaletchingorelectrochemicalcorrosion,metalcorrosionistheesseneeofmetalatomsintoth
5、eoxidationprocessofmetalliccations.1.2Themechanismofmetalcorrosion1.2.1ChemicaletchingMetalsandchemicalcorrosionisachemicaleffectofnon-electrolytedirectdamagecausedbythecorrosionprocessisapureoxidationandreductionofthepurechemicalreaction,thatiscorrosivemetalsurfa
6、ceatomsdirectlyinteractwiththeformationofcorrosionproducts.Reactionprocessisnotcurrents,consistentwiththechemicalkineticsoftheprocess・1.2.2ElectrochemicalCorrosionElectrochemicalcorrosionofmetalandtheelectrolytesolutioncausedbyachemicalroleinthedestruction.Anodere
7、actionatthesametimethereislossofelectronicaccesstoelectronicandelectroniccathodeflow,theprocesstoobeythebasiclawsofelectrochemistry.Electrochemicalcorrosionand,initsdifferentacidityofelectrolytesolutionintohydrogencorrosionandhydrogencorrosion.2,themaincorrosionof
8、metalmaterialsmeasure2.1improvethenatureofmetalDependingonthecompositionofdifferentmaterialsusedcorrosionresistantalloys,ormetalalloyelementsaddedtoimpr