{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":5,"startPagecode":1},"records":[{"abstractinfo":"采用断裂力学双悬臂梁(DCB)试样,对高强度7020铝合金的应力腐蚀开裂(SCC)特征进行了研究.结果表明,7020铝合金在含Cl-的水溶液中对SCC敏感,板料的Z-X和Z-Y方向有SCC裂纹萌生,裂纹开始萌生的时间较长,扩展速度较慢;温度升高后,裂纹扩展速度明显加快.SCC裂纹的特征为水平扩展,表面有呈台阶式不连续扩展和群集现象,开裂面为沿晶扩展.","authors":[{"authorName":"王荣","id":"544e39d0-d0dc-450b-9ec0-295905bd4e45","originalAuthorName":"王荣"},{"authorName":"陈冰川","id":"5f553aea-0f00-40d1-9c79-366cd8b17ba9","originalAuthorName":"陈冰川"},{"authorName":"李光福","id":"d86b8caa-52b6-4404-a656-b54ffaf0dfc6","originalAuthorName":"李光福"}],"doi":"","fpage":"688","id":"d4d08430-64af-49c3-9d7c-8cccb296389a","issue":"9","journal":{"abbrevTitle":"FSYFH","coverImgSrc":"journal/img/cover/FSYFH.jpg","id":"25","issnPpub":"1005-748X","publisherId":"FSYFH","title":"腐蚀与防护"},"keywords":[{"id":"f67bcbe7-40da-443a-a4f5-aa684734103d","keyword":"7020铝合金","originalKeyword":"7020铝合金"},{"id":"ae3f3385-1b4f-4cc4-b951-38d769496b44","keyword":"双悬臂梁(DCB)试样","originalKeyword":"双悬臂梁(DCB)试样"},{"id":"a6b8c580-1983-4690-8bde-741a46f4f803","keyword":"沿晶扩展","originalKeyword":"沿晶扩展"},{"id":"e5587c16-cdc7-49ef-a534-d70618aa396e","keyword":"应力腐蚀开裂(SCC)","originalKeyword":"应力腐蚀开裂(SCC)"}],"language":"zh","publisherId":"fsyfh201009007","title":"7020铝合金应力腐蚀开裂特征","volume":"31","year":"2010"},{"abstractinfo":"用直读光谱仪、万能材料试验机、光学显微镜、扫描电子显微镜等分析手段,分析高速列车7020铝合金车钩梁多处开裂现象及其原因.结果表明,开裂的7020铝合金车钩梁材料质量正常,服役后的车钩梁基体表面存在腐蚀坑,腐蚀坑中存在Cl-离子,主裂纹位于焊接热影响区和母材交界处,裂纹沿晶扩展.实验室采用和车钩梁相似的环境和受力状况进行模拟试验,高强度合金双悬臂梁试样的应力腐蚀开裂(SCC)裂纹形貌特征和车钩梁裂纹吻合良好,表明车钩梁开裂原因为SCC,并讨论了铝合金的SCC机理.","authors":[{"authorName":"王荣","id":"867e7284-0cb2-48f3-b804-2a72dfec7e13","originalAuthorName":"王荣"},{"authorName":"鄢国强","id":"889a9925-b217-488a-9d64-8da56b5e3aab","originalAuthorName":"鄢国强"},{"authorName":"李光福","id":"b4a8bcb7-5e56-40ef-aa6d-09be041951b0","originalAuthorName":"李光福"},{"authorName":"陈冰川","id":"460be5b3-25f6-46e1-8dcd-9f0988cc4afe","originalAuthorName":"陈冰川"}],"doi":"10.3969/j.issn.1005-4537.2008.04.011","fpage":"240","id":"268e5d59-4164-48ff-9b0d-031daa0b8bc8","issue":"4","journal":{"abbrevTitle":"ZGFSYFHXB","coverImgSrc":"journal/img/cover/中国腐蚀封面19-3期-01.jpg","id":"81","issnPpub":"1005-4537","publisherId":"ZGFSYFHXB","title":"中国腐蚀与防护学报"},"keywords":[{"id":"d282ee60-4e27-499a-a365-ff3839faa9c5","keyword":"7020铝合金","originalKeyword":"7020铝合金"},{"id":"7499412b-248d-4a99-9bc5-edf1723b99ca","keyword":"车钩梁","originalKeyword":"车钩梁"},{"id":"9af60a50-446f-40de-bbfd-14391404067d","keyword":"焊接","originalKeyword":"焊接"},{"id":"3b03ed6a-a0be-474c-8216-82f26b447262","keyword":"应力腐蚀开裂(SCC)","originalKeyword":"应力腐蚀开裂(SCC)"}],"language":"zh","publisherId":"zgfsyfhxb200804011","title":"7020铝合金列车车钩梁开裂原因与机理","volume":"28","year":"2008"},{"abstractinfo":"7020铝合金经470℃固溶1 h后分别进行自然时效0 h、168 h以及65℃预时效72 h、168 h,再进行(90℃,8 h)+(160℃,14 h)双级时效。采用室温拉伸、慢应变速率拉伸(SSRT)、扫描电镜(SEM)、透射电镜(TEM)研究预时效工艺对7020铝合金的常温拉伸性能、抗应力腐蚀性能与显微组织的影响。结果表明:经65℃、168 h预时效处理后,合金具有最高的抗拉强度Rm=397.4 MPa和最好的抗应力腐蚀性能ISSRT=?0.003;65℃、72 h预时处理效和自然时效168 h后合金的抗拉强度和抗应力腐蚀性能相当,Rm、ISSRT分别为387.6 MPa、0.034和392.0 MPa、0.036;而直接双级时效合金的抗拉强度和抗应力腐蚀性能最差,Rm、ISSRT为368.9 MPa、0.038。晶内析出相η′(MgZn2)的尺寸随预时效时间的延长而减小,晶界析出相η(MgZn2)的断续分布程度随预时效时间延长而增大。","authors":[{"authorName":"杨涛","id":"37916f03-920e-4c5d-b6fa-d3b7e0a4fe36","originalAuthorName":"杨涛"},{"authorName":"叶凌英","id":"08884b3c-ad78-4c2a-b358-fe33fb9e6b75","originalAuthorName":"叶凌英"},{"authorName":"单朝军","id":"e6f68500-fcdd-4fea-a5a1-427adf70916e","originalAuthorName":"单朝军"},{"authorName":"王绍玲","id":"fa5e4e1a-f75c-4629-9de1-3f0c334b3f66","originalAuthorName":"王绍玲"},{"authorName":"邓运来","id":"0578b0f9-e1b3-4b38-88d4-48b00c68a460","originalAuthorName":"邓运来"},{"authorName":"张新明","id":"7ab784f9-ca39-4398-af1f-ef132a943776","originalAuthorName":"张新明"}],"doi":"","fpage":"947","id":"fb38d7f6-ee74-429b-9d6e-bc4c4e79eb5b","issue":"5","journal":{"abbrevTitle":"ZGYSJSXB","coverImgSrc":"journal/img/cover/ZGYSJSXB.jpg","id":"88","issnPpub":"1004-0609","publisherId":"ZGYSJSXB","title":"中国有色金属学报"},"keywords":[{"id":"51c79b76-2fbd-40a6-b24b-d674f8c387f6","keyword":"7020铝合金","originalKeyword":"7020铝合金"},{"id":"77fc24f7-15bb-4fce-a71f-6f06d6fe3fa3","keyword":"预时效","originalKeyword":"预时效"},{"id":"b5764239-77b4-4f1d-9887-5e7aa5574df0","keyword":"拉伸性能","originalKeyword":"拉伸性能"},{"id":"af5f0c2b-581f-41b2-9a31-aef9babee7f0","keyword":"慢应变速率拉伸","originalKeyword":"慢应变速率拉伸"},{"id":"d0b41bba-cfce-4468-9e6c-dc24c391f135","keyword":"显微组织","originalKeyword":"显微组织"}],"language":"zh","publisherId":"zgysjsxb201605001","title":"预时效工艺对7020铝合金显微组织和应力腐蚀性能的影响","volume":"26","year":"2016"},{"abstractinfo":"用直读光谱仪、万能材料试验机、光学显微镜、扫描电子显微镜等分析手段,分析高速列车7020铝合金车钩梁多处开裂现象及其原因。结果表明,开裂的7020铝合金车钩梁材料质量正常,服役后的车钩梁基体表面存在腐蚀坑,腐蚀坑中存在Cl-离子,主裂纹位于焊接热影响区和母材交界处,裂纹沿晶扩展。实验室采用和车钩梁相似的环境和受力状况进行模拟试验,高强度合金双悬臂梁试样的应力腐蚀开裂(SCC)裂纹形貌特征和车钩梁裂纹吻合良好,表明车钩梁开裂原因为SCC,并讨论了铝合金的SCC机理。","authors":[{"authorName":"王荣","id":"543c9710-65ec-4247-a733-41d0ac455d76","originalAuthorName":"王荣"},{"authorName":"鄢国强","id":"f1a5f512-739a-437d-a620-9db9c38ed67a","originalAuthorName":"鄢国强"},{"authorName":"李光福","id":"bb3a0abf-1878-4891-a298-55ab934479b0","originalAuthorName":"李光福"},{"authorName":"陈冰川","id":"e32d795c-e8e7-4837-ab20-19cc34fef406","originalAuthorName":"陈冰川"}],"categoryName":"|","doi":"","fpage":"240","id":"3973d7a8-99d9-4ed3-8563-2a301f3634c8","issue":"4","journal":{"abbrevTitle":"ZGFSYFHXB","coverImgSrc":"journal/img/cover/中国腐蚀封面19-3期-01.jpg","id":"81","issnPpub":"1005-4537","publisherId":"ZGFSYFHXB","title":"中国腐蚀与防护学报"},"keywords":[{"id":"635ad803-8715-4fcd-8802-b2e7bc4ac106","keyword":"7020铝合金","originalKeyword":"7020铝合金"},{"id":"d8f91d97-14bc-4504-b0f0-912f2fb1181b","keyword":"null","originalKeyword":"null"},{"id":"1bdeda51-7556-4f0e-9368-3a756c34add0","keyword":"null","originalKeyword":"null"}],"language":"zh","publisherId":"1005-4537_2008_4_6","title":"7020铝合金列车车钩梁开裂原因与机理","volume":"28","year":"2008"},{"abstractinfo":"研究了16mm厚7020铝合金板的熔化极气体保护焊焊接工艺,对焊后试板进行超声冲击消应处理,研究了超声消应前后焊缝残余应力的变化.试验表明,7020铝合金采用熔化极气体保护焊焊接,焊后进行超声消应处理,可有效改善焊缝的残余应力.","authors":[{"authorName":"刘国栋","id":"b9a8d431-e3f2-4db9-9d07-440cd01a0d40","originalAuthorName":"刘国栋"},{"authorName":"郭小辉","id":"1c21bc07-443e-446d-8cb1-efa53a68e694","originalAuthorName":"郭小辉"}],"doi":"","fpage":"25","id":"cb4b3c42-23b4-42be-a10e-99927964e201","issue":"5","journal":{"abbrevTitle":"CLKFYYY","coverImgSrc":"journal/img/cover/CLKFYYY.jpg","id":"10","issnPpub":"1003-1545","publisherId":"CLKFYYY","title":"材料开发与应用"},"keywords":[{"id":"b4e299fd-ee8f-43dd-b1bc-109cd4d8e178","keyword":"铝合金","originalKeyword":"铝合金"},{"id":"b9d1d757-327b-4d0a-b7d0-13b42973b16a","keyword":"熔化极气体保护焊","originalKeyword":"熔化极气体保护焊"},{"id":"4b29544b-5f39-436c-9f12-884f392bd742","keyword":"超声冲击","originalKeyword":"超声冲击"},{"id":"0fdb6542-4a0c-431b-9d0c-4173cd0c93ca","keyword":"残余应力","originalKeyword":"残余应力"}],"language":"zh","publisherId":"clkfyyy201305007","title":"7020铝合金MIG焊后超声消应处理研究","volume":"28","year":"2013"},{"abstractinfo":"介绍了铝合金时效成形的方法、基本原理、工艺特点及应用情况,概括了国外研究铝合金时效成形工艺及相关可时效成形铝合金的现状,重点阐述了时效成形对铝合金微观组织结构的影响.","authors":[{"authorName":"李劲风","id":"e6278f9d-654f-48cb-8e1e-ed1e0dd16358","originalAuthorName":"李劲风"},{"authorName":"郑子樵","id":"4120f61f-f873-433f-8c13-e64864d8d404","originalAuthorName":"郑子樵"},{"authorName":"李世晨","id":"7b8c7164-934b-4949-b764-37b3900c02ac","originalAuthorName":"李世晨"},{"authorName":"任文达","id":"79db2510-2f5b-425d-b178-c24652016845","originalAuthorName":"任文达"},{"authorName":"陈文敬","id":"29780016-ca6f-4f01-8c41-9ae24057ca88","originalAuthorName":"陈文敬"}],"doi":"","fpage":"101","id":"7f367d8b-38ae-44e8-9459-5f5818df895d","issue":"5","journal":{"abbrevTitle":"CLDB","coverImgSrc":"journal/img/cover/CLDB.jpg","id":"8","issnPpub":"1005-023X","publisherId":"CLDB","title":"材料导报"},"keywords":[{"id":"c380616f-d223-4983-9983-a94da3994553","keyword":"时效成形","originalKeyword":"时效成形"},{"id":"934adae5-01dc-4fe5-a515-65d105497082","keyword":"铝合金","originalKeyword":"铝合金"}],"language":"zh","publisherId":"cldb200605028","title":"铝合金时效成形及时效成形铝合金","volume":"20","year":"2006"},{"abstractinfo":"基于同步辐射X射线成像技术,对激光复合焊7020-T651铝合金接头内部的微气孔进行了研究,对气孔的体积、圆整度、扁平度及气孔形心至自由表面的距离等三维特征参数进行了统计分析与拟合.结果表明,铝合金熔焊微气孔主要为近球形的冶金型气孔,圆整度在0.65以上,以焊缝中心近似呈现对称分布,且焊缝上部气孔尺寸较大,热影响区和下部气孔密集且尺寸较小.等效直径在20 μm范围内的气孔,在接头上部和下部的频率分别高达65%和85%,并且100 μm以上的大尺寸气孔较少见.此外,由于熔池的下塌倾向和快速凝固,残留于枝晶网络间液相导致焊缝下部形成垂直于焊缝且层叠分布的形状复杂的热裂纹,少部分气孔之间以及气孔和热裂纹之间存在着连通现象,从而使得下部微气孔的圆整度平均值变小.此外,焊接速率越大,整个接头内部气孔体积分数越小,但对气孔形貌和位置的分布影响并不明显.","authors":[{"authorName":"喻程","id":"519b46de-db66-4054-8c42-65793eb6f7e2","originalAuthorName":"喻程"},{"authorName":"吴圣川","id":"9afaa8d2-daf5-4ec1-81f8-852f890e6a89","originalAuthorName":"吴圣川"},{"authorName":"胡雅楠","id":"4de1301b-e549-4e22-a27a-27f2ab5e3917","originalAuthorName":"胡雅楠"},{"authorName":"张卫华","id":"d3c37008-420e-4821-804c-d248910d1f8b","originalAuthorName":"张卫华"},{"authorName":"付亚楠","id":"9ce83539-049e-45ef-b8db-cf096470bfec","originalAuthorName":"付亚楠"}],"doi":"10.11900/0412.1961.2014.00334","fpage":"159","id":"7e3db3da-0d71-439a-9e17-23b2641707cc","issue":"2","journal":{"abbrevTitle":"JSXB","coverImgSrc":"journal/img/cover/JSXB.jpg","id":"48","issnPpub":"0412-1961","publisherId":"JSXB","title":"金属学报"},"keywords":[{"id":"57f1c475-ee0f-421f-a32f-28e7de4ecb79","keyword":"激光复合焊","originalKeyword":"激光复合焊"},{"id":"8c69fb7a-ea13-4d1a-9dd5-b66ff30b2d93","keyword":"铝合金","originalKeyword":"铝合金"},{"id":"83dea55b-eddb-4e98-8ecc-f5e444287819","keyword":"气孔","originalKeyword":"气孔"},{"id":"dee03b15-5f64-49eb-8d0b-5b9dc63a4bb9","keyword":"同步辐射X射线成像","originalKeyword":"同步辐射X射线成像"}],"language":"zh","publisherId":"jsxb201502003","title":"铝合金熔焊微气孔的三维同步辐射X射线成像","volume":"51","year":"2015"},{"abstractinfo":"铝及铝合金性质活泼,需经预处理才能进行电镀.采取二次浸锌的方法,在铝合金表面形成了一层锌层,再电镀暗镍、亮铜及装饰铬,得到了质量较高的镀层,并对实验过程进行了分析和讨论.","authors":[{"authorName":"马洪芳","id":"3bcd7e0d-83b6-4abb-991e-a6e482e52536","originalAuthorName":"马洪芳"},{"authorName":"刘志宝","id":"719af959-a153-4ffe-939c-ba84e51a1a3e","originalAuthorName":"刘志宝"},{"authorName":"殷风玲","id":"eca21a55-8b80-487f-a997-4341bc5f8103","originalAuthorName":"殷风玲"}],"doi":"10.3969/j.issn.1005-748X.2003.04.007","fpage":"162","id":"69c980a0-8fa2-4b92-9afd-88368fa0ebff","issue":"4","journal":{"abbrevTitle":"FSYFH","coverImgSrc":"journal/img/cover/FSYFH.jpg","id":"25","issnPpub":"1005-748X","publisherId":"FSYFH","title":"腐蚀与防护"},"keywords":[{"id":"15c478c6-8678-4e8b-8d42-29e1fad5b2e8","keyword":"铝合金","originalKeyword":"铝合金"},{"id":"c8f1aa38-cc7c-4975-8aa1-43ee1772dfa6","keyword":"电镀","originalKeyword":"电镀"},{"id":"33d0c906-a38e-48a1-9e14-03c6f1465e75","keyword":"浸锌","originalKeyword":"浸锌"},{"id":"88f35df3-fffb-41a6-8bff-20211ce36d45","keyword":"耐蚀","originalKeyword":"耐蚀"}],"language":"zh","publisherId":"fsyfh200304007","title":"铝合金电镀工艺研究","volume":"24","year":"2003"},{"abstractinfo":"通过对铝合金浸锌过程的电化学测量、扫描电镜对浸锌层外观形态的观察以及浸锌和锌合金膜在海水中的稳定电位等几个方面研究,优选了铝合金浸锌合金的镀前预处理工艺.该工艺所获得的浸锌合金层性能稳定、与镀层结合力良好.","authors":[{"authorName":"吴智勇","id":"1dedf370-1b3e-49e5-8f56-09f936c9f0db","originalAuthorName":"吴智勇"},{"authorName":"黄晓群","id":"39c1021c-07ed-419f-8407-a41f23a68f18","originalAuthorName":"黄晓群"},{"authorName":"陈亨远","id":"6c53e4b3-c441-43ec-8744-0e313f1edd4f","originalAuthorName":"陈亨远"}],"doi":"10.3969/j.issn.1001-1560.2003.01.016","fpage":"42","id":"e94a6d25-011c-4772-9092-a6db24858a07","issue":"1","journal":{"abbrevTitle":"CLBH","coverImgSrc":"journal/img/cover/CLBH.jpg","id":"7","issnPpub":"1001-1560","publisherId":"CLBH","title":"材料保护"},"keywords":[{"id":"313e844b-9392-4216-993f-cfd47f7a5c33","keyword":"铝合金","originalKeyword":"铝合金"},{"id":"a7c0efd2-b5f2-497b-8801-1ca867ada1dc","keyword":"浸锌","originalKeyword":"浸锌"},{"id":"e0646bfa-61ca-487f-94ae-cc6b6e3dba51","keyword":"电镀","originalKeyword":"电镀"}],"language":"zh","publisherId":"clbh200301016","title":"铝合金电镀工艺研究","volume":"36","year":"2003"},{"abstractinfo":"铝合金牺牲阳极具有许多优点,近年来得到了广泛的应用.介绍了铝合金牺牲阳极材料中常用合金元素的作用、铝合金牺牲阳极的活化机理、主要的几类铝阳极材料、铝合金牺牲阳极应用概况以及发展前景.","authors":[{"authorName":"屈钧娥","id":"b644f7e7-4698-4192-af2b-bfeef415afff","originalAuthorName":"屈钧娥"},{"authorName":"齐公台","id":"87200b3a-830f-4a3a-8d52-d6e68cce2227","originalAuthorName":"齐公台"}],"doi":"","fpage":"24","id":"87d0a37b-56b3-4e52-8127-26182491026c","issue":"11","journal":{"abbrevTitle":"CLDB","coverImgSrc":"journal/img/cover/CLDB.jpg","id":"8","issnPpub":"1005-023X","publisherId":"CLDB","title":"材料导报"},"keywords":[{"id":"27496a6e-f5f1-4bab-b073-cd6a233c666b","keyword":"铝合金","originalKeyword":"铝合金"},{"id":"9290906e-91a0-4ef8-a982-0e6d366c3056","keyword":"牺牲阳极","originalKeyword":"牺牲阳极"},{"id":"04ecc293-bf3d-42be-98f6-ca24c370aaa8","keyword":"活化机理","originalKeyword":"活化机理"}],"language":"zh","publisherId":"cldb200111009","title":"铝合金牺牲阳极材料研究现状","volume":"15","year":"2001"}],"totalpage":3880,"totalrecord":38799}