{"title":"温度对AZ80镁合金等道模压组织和硬度的影响","authors":"Jingzhong Li, N. Zhang, H. Ding, Yinglong Li","doi":"10.3969/J.ISSN.1007-2012.2011.03.006","DOIUrl":null,"url":null,"abstract":"AZ80 Mg alloy was processed at 320℃ and 200℃ by equal channel angular pressing.At 320℃,the grain size was decreased at previous two passes and then increased in the subsequent passes.At 200℃,both the density of dislocation and twinning were increased at previous two passes with the hardness dramatically increased.After 4 passes with route Bc,the grain size was refined to 200nm in most of areas,but the hardness slightly increased due to the interaction of grain refinement strengthening and texture softening.","PeriodicalId":39811,"journal":{"name":"塑性工程学报","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2011-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"The effect of temperature on microstructure and hardness of AZ80 Mg alloy during equal channel angualr pressing\",\"authors\":\"Jingzhong Li, N. Zhang, H. Ding, Yinglong Li\",\"doi\":\"10.3969/J.ISSN.1007-2012.2011.03.006\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"AZ80 Mg alloy was processed at 320℃ and 200℃ by equal channel angular pressing.At 320℃,the grain size was decreased at previous two passes and then increased in the subsequent passes.At 200℃,both the density of dislocation and twinning were increased at previous two passes with the hardness dramatically increased.After 4 passes with route Bc,the grain size was refined to 200nm in most of areas,but the hardness slightly increased due to the interaction of grain refinement strengthening and texture softening.\",\"PeriodicalId\":39811,\"journal\":{\"name\":\"塑性工程学报\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2011-06-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"塑性工程学报\",\"FirstCategoryId\":\"1087\",\"ListUrlMain\":\"https://doi.org/10.3969/J.ISSN.1007-2012.2011.03.006\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q4\",\"JCRName\":\"Materials Science\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"塑性工程学报","FirstCategoryId":"1087","ListUrlMain":"https://doi.org/10.3969/J.ISSN.1007-2012.2011.03.006","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"Materials Science","Score":null,"Total":0}
The effect of temperature on microstructure and hardness of AZ80 Mg alloy during equal channel angualr pressing
AZ80 Mg alloy was processed at 320℃ and 200℃ by equal channel angular pressing.At 320℃,the grain size was decreased at previous two passes and then increased in the subsequent passes.At 200℃,both the density of dislocation and twinning were increased at previous two passes with the hardness dramatically increased.After 4 passes with route Bc,the grain size was refined to 200nm in most of areas,but the hardness slightly increased due to the interaction of grain refinement strengthening and texture softening.
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