Hot dip galvanized and galvannealed steel sheets , which are superior in corrosion resistance and production cost , are widely used in automotive industry and household appliances 摘要由于热镀锌及其合金化产品具有优良的耐蚀性能及成本较低等优点，因而在汽车和家电等行业得到了广泛的应用。
The effects of the surface films alloying . 1nninta microstructure and casting technology of magnesium alloys as well as the environmental fuctors on the corrosion behavior of the alloys are introduced 摘要介绍镁合金的表面膜、合金元素、合金组织、环境因素以及铸造工艺等在腐蚀过程中的作用。铸造工艺中的相增多有利于改善耐蚀性，也是提高镁合金耐蚀性能的方法。
The corrosion resistance of new type magnesium alloys was researched . the effect laws of alloy elements on corrosion resistance of magnesium alloys were gained . the corrosion principle of magnesium alloys in the solution of nacl , hc1 and naoh was analyzed 本文对新型镁合金的耐蚀性也进行了研究，得出了al 、 zn 、 pb 、 sn对镁合金耐蚀性能的影响规律，并分析了镁合金在nacl溶液、 hcl溶液及naoh溶液中的腐蚀机理。
The investigations about the effects of rare earth elements on ni - p alloy coating show that the properties of bath for ni - p alloy plating and obtained coating are improved by adding some rare earth chlorides in the bath . the corrosion resistance is the best when the content of rare earth chlori 结果表明：在电沉积ni p合金镀液中添加一定量的稀土化合物能够提高nip合金镀液和镀层的性能，稀土添加量为zg l时，镀层的耐蚀性能最好。
It was pointed out that rare earth plays an important role in micro alloying , which led to the changes in the morphology , microstructure refining , and phase structure of the surface modification coatings and hence improved the properties of the coatings 稀土元素在改性层中的作用机理为：稀土元素的微合金化作用，改变了改性层中第二相或夹杂物的形态与性能，改性层组织细化和结构因素，是材料表面改性层抗高温氧化和耐蚀性能得到改善的主要原因。
A review is made on the formation principle , characteristics , microstructure and corrosion resistant performance of surface films of magnesium alloys attained by several surface treatment methods , such as chemical conversion , anodic oxidation , micro - arc oxidation , organic compound coating and metal coating 摘要介绍了镁合金的化学转化、阳极氧化、微弧氧化、有机物涂层、金属涂层等几种常用表面处理方法的原理、特点以及所得膜层的结构和耐蚀性能等。
The components of green phosphatizing without heavy metal and nitrite at room temperature and its corresponding technological parameters were defined by orthogonal test and comprehensive assessment , and the appearance , film wight and corrosion resistance of phosphating film were examined and analyzed 摘要通过正交试验和综合评定法，确定了一种不含重金属盐和亚硝酸盐和环保型常温磷化液的介质组成及相应的工艺参数，检测分析了磷化膜的外观、膜重和耐蚀性能。
The composition and structure of the films synthesized by mw - ecrpemsd technology were examined by electron probe , edx , afm , xrd , sem , moreover the corrosion resistance of films were detected by anodic polarization . furthermore , the wear resistance of films was tested by frictional wear . the relationship between properties of films and mw - ecrpemsd technology was summarized 对微波- ecr等离子体增强非平衡磁控溅射沉积工艺制备的薄膜，采用电子探针、 edx 、 aex 、 xrd 、 sem进行成分及微观结构分析；利用阳极极化测试了薄膜的耐蚀性能；通过摩擦磨损实验测试了薄膜的耐磨性能；总结了薄膜的特性与制备工艺的关系。
With the hardness tests , it is indicated the hardness of the nano alumina or nano silicon carbide coating is improved to 1 . 6 - 2 . 5 times as that of the plasma spraying coating . with the wearing tests , it is indicated that low laser power employed , the wearing performance of the coating without nano material increase to 1 . 3 times as that of the plasma coating , at the same time , the wearing performance of the coating with nano material increase 2 . 3 - 6 times as that of the plasma spraying coating , the wearing mechanism is further analyzed . with the erosion tests , it is indicated that the erosion performance of the coating with nano material increase five times as that of the plasma spra 与相应等离子喷涂层相比，硬度测试表明，含纳米al _ 2o _ 3或sic的各种复合涂层硬度提高了0 . 6 - 1 . 5倍左右；耐磨性测试表明，小功率下单纯的激光重熔耐磨性提高了30 ，而纳米渗入后涂层的耐磨性提高了1 . 3 - 5倍左右，对耐磨性提高的机理作了进一步的探索和分析研究；耐蚀性测试表明，经激光熔覆纳米渗入后的各种涂层耐蚀性能提高了4倍以上，同时涂层厚度、表面质量对腐蚀性能有影响。
The wear and corrosion resistance of ni - w , ni - w - b and ni - w - b - ptfe deposits were also tested by means of anodic polarization et al , xps and sem were used to study the appearance and state of the elements on the obtained deposit surface . the results are summarized as follows : a . electrodeposition of ni - w - b alloy and ni - w - b - ptfe composite coatings 应用阳极极化等实验方法对获得的ni - w - b - ptfe复合镀层和ni - w - b 、 ni - w合金镀层的耐磨性能和耐蚀性能进行比较，并运用xps和sem手段研究腐蚀前后获得的合金镀层和复合镀层的表面元素状态和镀层表面形貌。
