{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":5,"startPagecode":1},"records":[{"abstractinfo":"采用七种高纤维素型立向下电焊条,通过斜Y坡口裂纹实验,对高强管线钢的冷裂敏感性进行实验研究.通过理论公式计算了其冷裂敏感系数,并根据实验结果确定了避免冷裂产生的最低预热温度,为高强管线钢施工及制定焊接工艺提供了实验和理论依据,也为高强管线钢的冷裂敏感性的标准实验方法提供参考.","authors":[{"authorName":"郑振太","id":"f71bd938-759a-4d7f-8cdf-ddabdfd2a78e","originalAuthorName":"郑振太"},{"authorName":"单平","id":"92a45925-b11a-4837-a57f-e3decc8c3a0a","originalAuthorName":"单平"},{"authorName":"胡绳荪","id":"892d1a0e-c379-4c16-947c-2a4bb09db23b","originalAuthorName":"胡绳荪"},{"authorName":"张展","id":"f1ccc096-1cbf-47e7-99a5-17411d9b2ccd","originalAuthorName":"张展"}],"doi":"10.3969/j.issn.1001-4381.2006.08.005","fpage":"20","id":"cbe06a50-85f3-4b50-a37c-145532fc70eb","issue":"8","journal":{"abbrevTitle":"CLGC","coverImgSrc":"journal/img/cover/CLGC.jpg","id":"9","issnPpub":"1001-4381","publisherId":"CLGC","title":"材料工程"},"keywords":[{"id":"d037979d-4738-4377-9c91-25449908dc5f","keyword":"高强管线钢","originalKeyword":"高强管线钢"},{"id":"edac3d84-1bf1-49c9-841f-9acd2e5741a2","keyword":"纤维素焊条","originalKeyword":"纤维素焊条"},{"id":"18dfbc21-fd6b-49da-b19f-7597645e4a39","keyword":"冷裂敏感性","originalKeyword":"冷裂敏感性"},{"id":"6fd9f213-7dc1-4e2e-811d-f1b806b0e373","keyword":"斜Y坡口实验","originalKeyword":"斜Y坡口实验"}],"language":"zh","publisherId":"clgc200608005","title":"高强管线钢冷裂敏感性的斜Y坡口实验研究","volume":"","year":"2006"},{"abstractinfo":"采用插销试验法研究了JDHS-38#自保护药芯焊丝焊接U75V钢轨的冷裂敏感性,评估了预热温度、线能量、焊道数3个因素对U75V钢轨临界断裂应力的影响.结果表明,现场对钢轨施焊时,采取250℃的预热温度,14 kJ/cm左右的线能量,双层焊等措施可以使钢轨接头热影响区少产生甚至不产生焊接冷裂纹,使其临界断裂应力达646 MPa,与抗拉强度相当.若采用其他工艺参数,临界断裂应力较低,且当拘束拉伸应力高于抗拉强度时,于热影响区发生氢致断裂.焊接接头过热区组织主要为马氏体、贝氏体,断口显微形貌主要为河流花样、泥状花样及爪状花样.","authors":[{"authorName":"周宇通","id":"90621ba5-dd2e-42ed-b2a3-6d811dc8fe28","originalAuthorName":"周宇通"},{"authorName":"朱腾辉","id":"ab975f6a-dedf-4a49-ab88-609d01a25d41","originalAuthorName":"朱腾辉"},{"authorName":"马传平","id":"b9896853-bcfd-43b0-b574-4e920c9918da","originalAuthorName":"马传平"},{"authorName":"陈辉","id":"4260a07e-0ba5-46c5-b03a-ffd12fc68df9","originalAuthorName":"陈辉"},{"authorName":"车小莉","id":"ec2f461e-28c2-48f5-af3a-fd1ee7cdfdc6","originalAuthorName":"车小莉"}],"doi":"","fpage":"30","id":"ea70cc73-4a59-44eb-bd6c-0c72831cdf58","issue":"2","journal":{"abbrevTitle":"CLKXYGY","coverImgSrc":"journal/img/cover/CLKXYGY.jpg","id":"14","issnPpub":"1005-0299","publisherId":"CLKXYGY","title":"材料科学与工艺"},"keywords":[{"id":"97e3093f-6c24-444f-b17d-267e97be5a6c","keyword":"U75V钢轨","originalKeyword":"U75V钢轨"},{"id":"f912ca7f-7dfd-44de-90e2-541295841f50","keyword":"自保护药芯焊丝","originalKeyword":"自保护药芯焊丝"},{"id":"cd4c4654-e588-4249-af44-19f37ddd14d2","keyword":"插销试验","originalKeyword":"插销试验"},{"id":"a24308d5-73e2-4b9d-a27f-91aade3ed11e","keyword":"冷裂敏感性","originalKeyword":"冷裂敏感性"}],"language":"zh","publisherId":"clkxygy201202006","title":"插销法研究自保护焊U75V钢轨的冷裂敏感性","volume":"20","year":"2012"},{"abstractinfo":"采用插销试验和扩散氢试验研究了不同温湿度下的冷却速度、扩散氢含量对SH01焊条冷裂纹敏感性的影响,用扫描电镜观察了插销断口形貌.结果表明,SH01焊条的冷裂纹敏感性较低,其最小临界断裂应力Rcr为830MPa,大于焊条熔敷屈服强度Rp0.2;断口除起裂区具有沿晶和准解理的脆性特征外,其余为韧性的韧窝特征.","authors":[{"authorName":"周红兵","id":"dec65666-dcb8-4d82-adec-ed19ba1faba1","originalAuthorName":"周红兵"},{"authorName":"吴松林","id":"7b418327-d47c-4a36-a9d7-94ed3fd9133f","originalAuthorName":"吴松林"},{"authorName":"王任甫","id":"a53f7c5f-14f0-412f-bf1e-e5b20ac8a499","originalAuthorName":"王任甫"},{"authorName":"薛钢","id":"9bc6df8e-693c-479e-9f90-684cdcab5d25","originalAuthorName":"薛钢"}],"doi":"","fpage":"34","id":"a89cf6ea-a2f7-4c5f-aec7-c96089e6911e","issue":"6","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":"100312b6-8d8b-49b9-b3ac-0962b39d548a","keyword":"插销试验","originalKeyword":"插销试验"},{"id":"253cfb1b-750c-43d0-92be-a6f131e74ddc","keyword":"扩散氢","originalKeyword":"扩散氢"},{"id":"0de16e6c-df90-4268-9ff5-06b134b053c9","keyword":"冷裂纹","originalKeyword":"冷裂纹"},{"id":"f92293e5-d19e-41e9-aeae-7e2d3c20dfbc","keyword":"SH01焊条","originalKeyword":"SH01焊条"}],"language":"zh","publisherId":"clkfyyy201406006","title":"船用高强钢SH01焊条冷裂纹敏感性研究","volume":"29","year":"2014"},{"abstractinfo":"为了研究Sn对Mg-Al-Ca系合金热裂敏感性的影响,通过Clyne-Davies模型对MgAl7Ca1 Snx(x=0,0.5,1,2)系合金的热裂敏感性进行预测.采用“T”型热裂模具,对MgAl7Ca1Snx系合金凝固过程中的温度、收缩应力信号数据进行采集,研究热裂纹萌生和扩展的相关信息.利用X射线衍射(XRD)和扫描电子显微镜(SEM)分别对MgAl7Ca1Snx系合金显微组织和热裂断口区域形貌进行观察.揭示合金的凝固最后阶段剩余液相分数,脆弱区域的凝固温度变化,第二相种类等因素对MgAl7Ca1Snx系合金热裂倾向的影响;合金热裂倾向从大到小顺序为MgAl7Ca1Sn1> MgAl7Ca1Sn2> MgAl7Ca1Sn0.5> MgAl7Ca1.其中,由于MgAl7Ca1 Sn1合金凝固温度区间最宽,脆弱区域的凝固温度变化最大,凝固最后阶段形成液膜最少,枝晶干涉点后析出的第二相阻碍枝晶间的补缩等多种原因使之热裂倾向最大.","authors":[{"authorName":"王博","id":"9b9bac9d-d267-4a95-b84c-8f104cd70a96","originalAuthorName":"王博"},{"authorName":"刘正","id":"85e45434-493f-428d-b7f6-ef96d89923de","originalAuthorName":"刘正"},{"authorName":"毛萍莉","id":"12ea6879-6af4-41b3-9a33-9a0343396704","originalAuthorName":"毛萍莉"},{"authorName":"王志","id":"a0ad4965-fb5b-4e04-9508-c6d6871efc6e","originalAuthorName":"王志"},{"authorName":"王峰","id":"73e76412-b1de-4eda-828e-599152ce4947","originalAuthorName":"王峰"}],"doi":"10.13373/j.cnki.cjrm.2016.07.003","fpage":"647","id":"9dec3705-19e9-4997-be97-918e83150463","issue":"7","journal":{"abbrevTitle":"XYJS","coverImgSrc":"journal/img/cover/XYJS.jpg","id":"67","issnPpub":"0258-7076","publisherId":"XYJS","title":"稀有金属"},"keywords":[{"id":"04983150-52d3-4112-af4a-de7c7c17c665","keyword":"Mg-Al-Ca-Sn合金","originalKeyword":"Mg-Al-Ca-Sn合金"},{"id":"851d4e58-2cee-419c-8e54-479d5e0e0cb8","keyword":"热裂敏感性","originalKeyword":"热裂敏感性"},{"id":"ae402bfd-61cb-4ef6-b630-e593bcd8c4fe","keyword":"收缩应力","originalKeyword":"收缩应力"},{"id":"384a493b-9adc-4be6-874c-5bc5d9a86449","keyword":"凝固曲线","originalKeyword":"凝固曲线"}],"language":"zh","publisherId":"xyjs201607003","title":"Sn对Mg-Al-Ca系合金热裂敏感性的影响","volume":"40","year":"2016"},{"abstractinfo":"Q370q钢是武汉钢铁公司和中铁大桥工程局共同研究开发的新型桥梁用钢.为了达到永久性防腐蚀的目的,采用爆炸焊接法制成321-Q370q复合板.本文研究了321-Q370q复合板焊接冷裂纹敏感性,试验结果表明:321-Q370q复合板具有优良的抗裂性能.","authors":[{"authorName":"王小华","id":"a4dd73e5-f327-4872-908b-4440b8474e79","originalAuthorName":"王小华"},{"authorName":"辛宝","id":"4920506c-1ac6-4798-bc3f-aa08f32a5a2c","originalAuthorName":"辛宝"},{"authorName":"撒世勇","id":"e2045535-604a-4bb3-8d10-eaa6523f959a","originalAuthorName":"撒世勇"},{"authorName":"吴伦发","id":"2e297480-24fc-4a2a-9021-30c66059d4ab","originalAuthorName":"吴伦发"}],"doi":"10.3969/j.issn.1003-1545.2008.06.015","fpage":"54","id":"e83cfc21-1479-4fec-9f44-0d14cddc2bf3","issue":"6","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":"b2dc882c-2f0d-4928-b1e0-0e0b77b28ef8","keyword":"321-0370q复合板","originalKeyword":"321-0370q复合板"},{"id":"31967ec3-974d-47e4-b1d6-365c88a1b00d","keyword":"冷裂纹敏感性","originalKeyword":"冷裂纹敏感性"},{"id":"66e24a48-07bc-467c-8197-a70d5b45c9bf","keyword":"试验","originalKeyword":"试验"}],"language":"zh","publisherId":"clkfyyy200806015","title":"321-Q370q复合板焊接冷裂纹敏感性试验研究","volume":"23","year":"2008"},{"abstractinfo":"采用理论计算、热影响区最高硬度试验和小铁研试验方法研究了HSLA80钢的冷裂纹敏感性.结果表明,与强度级别相同的12Ni3CrMoV钢相比,HSLA80钢具有更为优异的抗冷裂纹敏感性,其焊接热影响区淬硬倾向较小,在-5℃~0℃以及低于4000Pa绝对湿度下不预热焊接均具有良好的焊接性能.","authors":[{"authorName":"姚春发","id":"859ca013-e9bb-4381-b3db-6612f59f02f2","originalAuthorName":"姚春发"},{"authorName":"苏航","id":"018c7760-0406-46f6-a324-3a5754d6d0d2","originalAuthorName":"苏航"},{"authorName":"杨才福","id":"9beac272-66cd-49ea-9925-eb68cb1db359","originalAuthorName":"杨才福"}],"doi":"10.3969/j.issn.1001-7208.2008.04.007","fpage":"30","id":"3e0c0af9-4109-45d3-91ee-0685896ab23a","issue":"4","journal":{"abbrevTitle":"SHJS","coverImgSrc":"journal/img/cover/SHJS.jpg","id":"59","issnPpub":"1001-7208","publisherId":"SHJS","title":"上海金属"},"keywords":[{"id":"6d930b6f-427b-4bd1-a6fa-e5dd2fc024b3","keyword":"HSLA80钢","originalKeyword":"HSLA80钢"},{"id":"8e96666f-8de8-4e58-a906-4aa577fa0547","keyword":"焊接性能","originalKeyword":"焊接性能"},{"id":"bf8e081c-6cca-4536-bfec-36221b48e4a4","keyword":"冷裂纹敏感性","originalKeyword":"冷裂纹敏感性"},{"id":"7ea8d34d-497f-4d4b-b38f-403c0c1b33ca","keyword":"小铁研试验","originalKeyword":"小铁研试验"}],"language":"zh","publisherId":"shjs200804007","title":"HSLA80钢焊接冷裂纹敏感性研究","volume":"30","year":"2008"},{"abstractinfo":"对烧结态93W-4.5Ni-2.1Fe-0-35Co钨合金进行热挤压变形强化,获得纤维组织,再通过冷扭转变形调整纤维状钨颗粒的取向,对压、扭复合工艺制备的钨合金进行动态雎缩性能测试和绝热剪切敏感性的分析,并与烧结态和冷扭转态钨合金作对比研究.结果表明,热压、冷扭复合工艺制备的钨合金在具备高屈服强度的同时,具备了较高的绝热剪切敏感性.微观分析表明,热压、冷扭复合工艺改变了条状粘结相组织的受力状态和分布状态,从而导致钨合金绝热剪切敏感性的提高.","authors":[{"authorName":"刘金旭","id":"1067f517-287a-45a8-9b01-cb44d14fd52f","originalAuthorName":"刘金旭"},{"authorName":"李树奎","id":"9c14ede3-d130-45fe-a3ef-0a70f727df47","originalAuthorName":"李树奎"},{"authorName":"郭伟","id":"eb6c54bb-f062-437e-b912-8f76de958251","originalAuthorName":"郭伟"},{"authorName":"郑海云","id":"ffda31c3-6836-4c58-b326-594c9cc7d522","originalAuthorName":"郑海云"},{"authorName":"倪芳","id":"d093cb4c-0792-47e4-9a7d-0a535fba5710","originalAuthorName":"倪芳"},{"authorName":"孙常青","id":"8844f0bf-2e84-4865-8fce-1ad2851db385","originalAuthorName":"孙常青"}],"doi":"","fpage":"1360","id":"9386d7bd-2665-4eba-80e8-1b1a117b2548","issue":"8","journal":{"abbrevTitle":"XYJSCLYGC","coverImgSrc":"journal/img/cover/XYJSCLYGC.jpg","id":"69","issnPpub":"1002-185X","publisherId":"XYJSCLYGC","title":"稀有金属材料与工程"},"keywords":[{"id":"9c40bd84-8c10-49d2-8729-d342999bb11c","keyword":"钨合金","originalKeyword":"钨合金"},{"id":"5b662411-af3e-4a06-83d8-d59bdf1a7b78","keyword":"绝热剪切","originalKeyword":"绝热剪切"},{"id":"f90a2b06-aef0-4ce7-a2c8-710d320d8c0b","keyword":"纤维晶粒取向","originalKeyword":"纤维晶粒取向"},{"id":"62e7503c-4d6b-4a63-ad58-bd2a367dd602","keyword":"动态压缩","originalKeyword":"动态压缩"}],"language":"zh","publisherId":"xyjsclygc200808009","title":"热挤压、冷扭转复合工艺制备钨合金的绝热剪切敏感性","volume":"37","year":"2008"},{"abstractinfo":"采用示波冲击试验和高分辨透射电子显微分析技术,研究了回火冷却方式对正火12Cr1MoV钢回火脆化的影响.结果表明,该钢存在两个不同的回火冷速敏感性温度区间:高于640℃回火,铁素体基体中沉淀析出碳化物以VC类型为主,回火脆性没有明显的冷速敏感性;低于640℃回火,基体中沉淀析出的碳化物以Fe3C类型为主,回火脆化具有明显的冷速敏感性和可逆性.","authors":[{"authorName":"孙树文","id":"952ab9e6-d0b8-40eb-9d16-a6af3efd13d5","originalAuthorName":"孙树文"},{"authorName":"雷廷权","id":"e192e560-02fa-46b3-a03a-090be6b17f34","originalAuthorName":"雷廷权"},{"authorName":"唐之秀","id":"601443b7-c5af-4d08-b13a-c17d010a02cb","originalAuthorName":"唐之秀"},{"authorName":"犹公","id":"e1a0430b-2282-48a6-ba2d-1c5cdbf25558","originalAuthorName":"犹公"},{"authorName":"王欣","id":"937038d1-7d7a-4b8b-bd31-fcacfefd15d9","originalAuthorName":"王欣"},{"authorName":"陈家伦","id":"e492cd50-4e90-4aa1-bd3d-c613419e2324","originalAuthorName":"陈家伦"}],"doi":"","fpage":"0","id":"ed8cbf2b-bfd2-4fbf-96a9-fac4dce493bc","issue":"8","journal":{"abbrevTitle":"GT","coverImgSrc":"journal/img/cover/GT.jpg","id":"27","issnPpub":"0449-749X","publisherId":"GT","title":"钢铁"},"keywords":[{"id":"edaabe46-be04-4d4f-9496-07c388fd5418","keyword":"回火脆性","originalKeyword":"回火脆性"},{"id":"1647cc31-af7f-497f-ba52-ef0108502362","keyword":"沉淀硬化","originalKeyword":"沉淀硬化"},{"id":"205c9dfa-bcab-4c62-bd5d-f92f9762dbd5","keyword":"冲击韧性","originalKeyword":"冲击韧性"}],"language":"zh","publisherId":"gt199808011","title":"正火12Cr1MoV钢回火脆化的冷速敏感性","volume":"33","year":"1998"},{"abstractinfo":"测定了10Ni8CrMoV钢在4种焊接工艺条件下的插销临界断裂应力和焊接热循环参数,并结合插销断口微观组织观察,综合分析了该钢的焊接冷裂纹敏感性并得出了相应临界断裂应力预测公式.研究结果表明,10Ni8CrMoV钢具有较强的焊接冷裂纹敏感性,提高预热温度及后热均显著降低其焊接冷裂纹敏感性,临界应力预测公式与小铁研试验结果吻合较好.","authors":[{"authorName":"成应晋","id":"4860eeba-61ea-4939-a09a-d98532ceb53b","originalAuthorName":"成应晋"},{"authorName":"刘海涛","id":"6f4e89b2-0736-4647-8fb4-683890c90139","originalAuthorName":"刘海涛"},{"authorName":"杜义","id":"92e06aa1-85d3-4b2c-8f72-1a0c0de3ae1b","originalAuthorName":"杜义"},{"authorName":"杨澍","id":"0d846f6a-0ab7-44bc-99a5-13a29dcbf056","originalAuthorName":"杨澍"},{"authorName":"郑文健","id":"aa7c11e2-1c49-4de7-88cd-53bf0d9aba31","originalAuthorName":"郑文健"},{"authorName":"代雪佳","id":"47acba42-02d2-4641-9335-f3c3c93c13b5","originalAuthorName":"代雪佳"}],"doi":"","fpage":"13","id":"79810d19-2017-427d-9353-016ad587dbc1","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":"753dc6f9-0856-43d8-87d7-fb0929442736","keyword":"插销","originalKeyword":"插销"},{"id":"9fc79c9e-136c-4112-9c9f-3702d720f0a1","keyword":"冷裂纹","originalKeyword":"冷裂纹"},{"id":"7a749ce0-9af3-4226-98e6-9c54582ad51e","keyword":"高强钢","originalKeyword":"高强钢"},{"id":"500a6334-f255-40d3-9246-5ddaafbccd94","keyword":"临界断裂应力","originalKeyword":"临界断裂应力"}],"language":"zh","publisherId":"clkfyyy201605004","title":"基于插销试验的10NiSCrMoV钢焊接冷裂纹敏感性分析","volume":"31","year":"2016"},{"abstractinfo":"对退火状态超高强钢30CrMnSiNi2A进行了大量的插销试验,结果表明:不同缺口位置的插销试样均断裂于熔合区,熔合区是对冷裂纹最敏感的区域;250℃以上预热能明显改善冷裂纹敏感性;同时发现采用光滑插销试样评估超高强钢抗冷裂纹能力是可行的.","authors":[{"authorName":"牛靖","id":"40a1568a-defa-4a34-9ac3-d55ca2489cfc","originalAuthorName":"牛靖"},{"authorName":"董俊明","id":"630b0494-b40f-45b0-b5e0-14edb3957dbf","originalAuthorName":"董俊明"},{"authorName":"何源","id":"5e1c8b32-4bf4-442d-8c8d-6c2261942a9d","originalAuthorName":"何源"},{"authorName":"董卫鹏","id":"49576b6f-c2d7-4b1e-b6c5-80aefa07f472","originalAuthorName":"董卫鹏"},{"authorName":"薛锦","id":"d608fd6f-1887-4452-b2fe-590c255e0774","originalAuthorName":"薛锦"}],"doi":"10.3969/j.issn.1003-1545.2006.04.001","fpage":"1","id":"789e3442-3507-4b3f-962e-878da95930d0","issue":"4","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":"8275d7c7-0bbc-4774-9099-f27f1484e2b5","keyword":"30CrMnSiNi2A","originalKeyword":"30CrMnSiNi2A"},{"id":"46bff315-a78a-4af0-baf3-82ff5e887cad","keyword":"插销试验","originalKeyword":"插销试验"},{"id":"9d25d1e0-9a92-4d8f-95c9-2b56c9a08da7","keyword":"冷裂纹","originalKeyword":"冷裂纹"}],"language":"zh","publisherId":"clkfyyy200604001","title":"30CrMnSiNi2A钢冷裂纹敏感性研究","volume":"21","year":"2006"}],"totalpage":898,"totalrecord":8979}