{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":5,"startPagecode":1},"records":[{"abstractinfo":"传统的渗碳法渗速慢,加入催渗剂会产生阻挡层,且渗层质量不易控制.常用的渗碳工艺如离子渗、气体渗和盐溶渗均存在一些不足.采用一种新型渗碳方法用灰口铸铁HT300中的片状石墨对2Cr13不锈钢进行表面改性,用XRD、SEM、微观硬度计、ML-100干式销盘两体磨料磨损试验机等分析了新型渗碳层的物组成、微观组织、微观硬度和耐磨性,使用CS350电化学工作站测试了其耐蚀性能.结果表明:在1 120℃保温10 h,850℃保温1h条件下渗碳,可在2Cr13不锈钢表面原位生成碳化铬颗粒.原位反应层主要分为两个区域:晶界碳化物细小断续区和晶界碳化物粗大连续区,显微硬度呈梯度分布,最高可达1 082 HV1N.渗碳后表层耐磨性提高了4倍,耐蚀性能有所下降.","authors":[{"authorName":"李楠","id":"4c71b100-d8f4-4157-aebb-e3cfaa882fc0","originalAuthorName":"李楠"},{"authorName":"叶芳霞","id":"536da54d-2079-47fe-9873-3b4326771d81","originalAuthorName":"叶芳霞"},{"authorName":"钟黎阳","id":"32e7ab9a-39b4-4548-9928-7cf3fe800af3","originalAuthorName":"钟黎阳"}],"doi":"","fpage":"61","id":"58e6c696-cd4f-4568-9263-cd26953267b4","issue":"3","journal":{"abbrevTitle":"CLBH","coverImgSrc":"journal/img/cover/CLBH.jpg","id":"7","issnPpub":"1001-1560","publisherId":"CLBH","title":"材料保护"},"keywords":[{"id":"6abb2eb2-ad37-4247-b738-b11f0b4ffb6e","keyword":"渗碳","originalKeyword":"固相渗碳"},{"id":"8462669a-98a9-4b05-a8bf-253dcaa32802","keyword":"2Cr13不锈钢","originalKeyword":"2Cr13不锈钢"},{"id":"18b963e0-3acf-4969-82c4-d4fdde6e1a6a","keyword":"灰口铸铁HT300","originalKeyword":"灰口铸铁HT300"},{"id":"c10946c8-37ef-4bdb-a53e-7cd6eb09ab15","keyword":"碳化铬","originalKeyword":"碳化铬"},{"id":"de36c63d-b9ba-4a47-9cfc-39fdcb4da57b","keyword":"组织","originalKeyword":"组织"},{"id":"8216cc3c-c8f2-4efb-b30c-81a5f1b5949c","keyword":"性能","originalKeyword":"性能"}],"language":"zh","publisherId":"clbh201503019","title":"2Cr13不锈钢表面渗碳后的组织与性能","volume":"48","year":"2015"},{"abstractinfo":"运用X射线残余应力测量法分析了含有球状渗碳体的碳素钢在拉伸塑性变形后铁素体渗碳的残余应力情况.结果表明:在经过拉伸塑性变形后,铁素体呈现残余压应力状态,而渗碳呈现残余拉应力状态;当施加的塑性应变在边界应变点之前,渗碳体的残余应力随应变值的增加而增大,而在边界应变点之后,残余应力呈下降趋势.观察发现渗碳体颗粒内部的断裂及渗碳体与铁素体结合边界部分的分离是引起渗碳体残余应力下降的原因.为了更好地理解渗碳和铁素体之间的相互作用,在Eshelby/Mori-Tanaka模型的基础上分析了两各自的塑性应变及两相间的塑性应变失配.","authors":[{"authorName":"刘智","id":"eca71fda-549e-4f26-8837-c38e261efb2f","originalAuthorName":"刘智"},{"authorName":"杨林","id":"f4cf52a7-29ef-4d50-9175-bcca9080138a","originalAuthorName":"杨林"},{"authorName":"车磊","id":"cd21be54-83bf-4491-99ef-4cf50b6c8fc1","originalAuthorName":"车磊"},{"authorName":"马宁","id":"44e41e03-e970-4c7b-b4b0-5540bbd77a7b","originalAuthorName":"马宁"}],"doi":"10.3969/j.issn.1000-3738.2007.01.004","fpage":"12","id":"ed6ad6b4-5090-4804-8d1d-71da8e3604f9","issue":"1","journal":{"abbrevTitle":"JXGCCL","coverImgSrc":"journal/img/cover/JXGCCL.jpg","id":"45","issnPpub":"1000-3738","publisherId":"JXGCCL","title":"机械工程材料"},"keywords":[{"id":"9a10c590-2fc5-4c71-9c0d-743a4a9a1910","keyword":"拉伸变形","originalKeyword":"拉伸变形"},{"id":"24329ccd-54a9-4981-b169-385204a04da5","keyword":"残余应力","originalKeyword":"残余应力"},{"id":"d554b414-a313-48ea-a2e3-7014381ede26","keyword":"塑性应变","originalKeyword":"塑性应变"},{"id":"c0f261b1-2e0b-450e-9b78-c33a78b3e8d2","keyword":"渗碳体","originalKeyword":"渗碳体"}],"language":"zh","publisherId":"jxgccl200701004","title":"塑性变形T8碳素钢中渗碳的残余应力","volume":"31","year":"2007"},{"abstractinfo":"利用TEM及HREM研究了9Ni钢中马氏体与渗碳体的取向关系和界结构观察表明多数马氏体与渗碳体之间满足Bagaryaskii关系,但也有例外观察到一种和已知的三种取向关系不同的情况:(110)θ//(110)α;[111]θ//[111]α棒状渗碳体与马氏体界面上存在台阶.颗粒状渗碳体和马氏体界间存在失配位错","authors":[{"authorName":"李光来","id":"2a065dfa-f64c-4ab4-b4e8-5d31c7b7d02a","originalAuthorName":"李光来"},{"authorName":"孟祥敏","id":"d374673d-4116-4c41-8b26-055f0ded5d80","originalAuthorName":"孟祥敏"},{"authorName":"张弗天","id":"91a8af3a-fc40-4897-bd86-3c68f9666796","originalAuthorName":"张弗天"},{"authorName":"吴玉琨","id":"a162a2de-0a01-49de-b94b-854e66bb2c3a","originalAuthorName":"吴玉琨"}],"categoryName":"|","doi":"","fpage":"456","id":"545752e3-5bea-4769-8ee8-a79c97d71531","issue":"5","journal":{"abbrevTitle":"CLYJXB","coverImgSrc":"journal/img/cover/CLYJXB.jpg","id":"16","issnPpub":"1005-3093","publisherId":"CLYJXB","title":"材料研究学报"},"keywords":[{"id":"bb4c139f-2f4e-4897-8566-6741ab65ae4f","keyword":"9Ni铜","originalKeyword":"9Ni铜"},{"id":"b5235367-df2d-46cd-9c6a-a060f630bc2a","keyword":"null","originalKeyword":"null"},{"id":"ff2ce2d2-baa0-4e91-9b05-b7ae54ef14be","keyword":"null","originalKeyword":"null"},{"id":"2b2e938e-42dd-46ce-a85e-6d2badd9f496","keyword":"null","originalKeyword":"null"},{"id":"6783ccfe-13a8-4f41-8b43-79a8aaa4834a","keyword":"null","originalKeyword":"null"}],"language":"zh","publisherId":"1005-3093_1997_5_13","title":"9Ni钢中渗碳体与马氏体取向关系及界结构","volume":"11","year":"1997"},{"abstractinfo":"在20钢气渗碳时对比了渗剂中加入CeO2或不加CeO2时的渗碳动力学,发现在渗剂中加入CeO2可以显著加快渗碳速率。稀土催渗剂的效果在850℃和910℃基本相同。认为CeO2加速渗碳的机制是催化。冶炼时在钢中加入的稀土对渗碳也起加速作用,但作用小于渗剂中的稀土。它还可以增强渗剂中稀土的催渗作用。","authors":[{"authorName":"袁泽喜","id":"7d0db29c-1af4-430a-abac-c136691826aa","originalAuthorName":"袁泽喜"},{"authorName":"谭平","id":"45b7c75c-a90b-45b1-8be6-69f804a9f6bd","originalAuthorName":"谭平"},{"authorName":"余宗森","id":"272a9862-26f6-43b8-9da4-d350288baa53","originalAuthorName":"余宗森"},{"authorName":"徐庭栋","id":"440cb752-4402-40dc-9c62-d7cac489ed5a","originalAuthorName":"徐庭栋"}],"doi":"10.3969/j.issn.1004-0277.2001.01.008","fpage":"27","id":"a3ee2e8b-6d81-4f6d-a15d-32beab7a36f5","issue":"1","journal":{"abbrevTitle":"XT","coverImgSrc":"journal/img/cover/XT.jpg","id":"65","issnPpub":"1004-0277","publisherId":"XT","title":"稀土"},"keywords":[{"id":"85a8481d-b15a-4541-9288-e437e651738a","keyword":"钢","originalKeyword":"钢"},{"id":"bf6ef731-97d8-4ca4-8062-366109620000","keyword":"气渗碳","originalKeyword":"气相渗碳"},{"id":"6861546a-fbd4-4485-b8a2-c26114673691","keyword":"稀土","originalKeyword":"稀土"}],"language":"zh","publisherId":"xitu200101008","title":"氧化铈在钢表面气渗碳时的催化作用","volume":"22","year":"2001"},{"abstractinfo":"缩聚是20世纪60年代开始发展起来的新型缩聚反应方式,有利于降低反应过程中的降解反应和副反应;对常规聚对苯二甲酸乙二醇酯(PET)切片进行缩聚处理可以大幅提高PET分子量,其产品的性能得到较大幅度的提升。文中首先对PET缩聚的反应过程、速度控制等反应机理进行了介绍,然后从原料粒子内部和外部两方面对PET缩聚反应的影响因素进行了分析,最后指出PET缩聚目前的研究情况和研究趋势。","authors":[{"authorName":"周杰","id":"facd0c03-234f-41dd-9833-ab87c2cbb271","originalAuthorName":"周杰"},{"authorName":"刘丽","id":"a596f968-9e8a-4bd9-ae99-85d06e3918ae","originalAuthorName":"刘丽"},{"authorName":"黄星","id":"4ca2ff57-72bf-455b-8868-a8fdb615051f","originalAuthorName":"黄星"},{"authorName":"史君","id":"6e272bbb-2da9-4a0e-83e7-bdfe26b6e392","originalAuthorName":"史君"}],"doi":"","fpage":"147","id":"19561c70-69f4-4553-bbe8-cd6d8bbfd5da","issue":"2","journal":{"abbrevTitle":"GFZCLKXYGC","coverImgSrc":"journal/img/cover/GFZCLKXYGC.jpg","id":"31","issnPpub":"1000-7555","publisherId":"GFZCLKXYGC","title":"高分子材料科学与工程"},"keywords":[{"id":"ca36c0d5-3bea-408c-a0e7-8357b9704bc5","keyword":"聚对苯二甲酸乙二醇酯","originalKeyword":"聚对苯二甲酸乙二醇酯"},{"id":"ca598fae-b564-4ea7-8865-6a12d1b6ce36","keyword":"缩聚","originalKeyword":"固相缩聚"},{"id":"9e8748ae-ab5e-4324-bb1a-23853e295f81","keyword":"机理","originalKeyword":"机理"},{"id":"590ee4ff-4859-4411-8f7a-010c57724723","keyword":"影响因素","originalKeyword":"影响因素"}],"language":"zh","publisherId":"gfzclkxygc201202040","title":"PET缩聚进展","volume":"28","year":"2012"},{"abstractinfo":"金属多层膜在高温低应力条件下发生弹性蠕变时,由于膜的塑性流动,使得测量金属-界面能成为可能.介绍了一种测量金属-界面能的方法--零蠕变法,并着重阐述双向零蠕变法的原理和设备,","authors":[{"authorName":"安兵","id":"5b8310d9-75e2-4133-9787-d39ebf46149a","originalAuthorName":"安兵"},{"authorName":"张同俊","id":"1c6f5dfc-5dbb-4d33-a9db-0b243394a8a2","originalAuthorName":"张同俊"},{"authorName":"崔崑","id":"fe2da9d8-cd28-4340-8078-5376521e24ec","originalAuthorName":"崔崑"}],"doi":"","fpage":"19","id":"3c78a345-1baf-4068-b24c-aecdf9859788","issue":"4","journal":{"abbrevTitle":"CLDB","coverImgSrc":"journal/img/cover/CLDB.jpg","id":"8","issnPpub":"1005-023X","publisherId":"CLDB","title":"材料导报"},"keywords":[{"id":"66660b44-c115-4307-b573-bcb5883680ab","keyword":"界面能","originalKeyword":"界面能"},{"id":"0033a9ce-922f-4f8b-bcaa-5e8b41c0230d","keyword":"零蠕变法","originalKeyword":"零蠕变法"},{"id":"2348c648-b8ac-46cf-8a96-499a09bae5bc","keyword":"多层膜","originalKeyword":"多层膜"},{"id":"1ad55deb-b0dc-4a27-b81f-9328dc62266a","keyword":"激光曲率法","originalKeyword":"激光曲率法"}],"language":"zh","publisherId":"cldb200204005","title":"零蠕变法测量-界面能研究","volume":"16","year":"2002"},{"abstractinfo":"采用有限元非线性算法,通过增加区移动边界条件,对20钢工件的低温渗碳二维浓度场进行了模拟,其中扩散系数与碳浓度之间的关系采用了Agren表达式.在模拟结果的基础上,进一步讨论了渗碳温度对低温两渗碳浓度场的影响.","authors":[{"authorName":"李宇","id":"f32869a5-9745-40c8-b3e0-451530be30c6","originalAuthorName":"李宇"},{"authorName":"徐洲","id":"d1bf24b1-d8d8-466b-a8c6-ca5c1dc5eb33","originalAuthorName":"徐洲"},{"authorName":"潘健生","id":"c9009959-df5b-4f19-a3b0-5b2261d58292","originalAuthorName":"潘健生"},{"authorName":"胡明娟","id":"0130443e-fd85-4127-ac5a-14220a720fa4","originalAuthorName":"胡明娟"}],"doi":"10.3969/j.issn.1001-7208.2000.04.006","fpage":"34","id":"b45b4462-1bb7-4c39-ae23-ef99dd822227","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":"ffabc9bd-b94a-467d-a217-f11ea2068dea","keyword":"渗碳数学模拟有限元法碳浓度场低碳钢两区","originalKeyword":"渗碳数学模拟有限元法碳浓度场低碳钢两相区"}],"language":"zh","publisherId":"shjs200004006","title":"低温两渗碳浓度场的非线性有限元法模拟","volume":"22","year":"2000"},{"abstractinfo":"利用表面机械加工法在具有回火索氏体组织的38CrSi合金钢表面制备了纳米结构层,利用X射线衍射和透射电镜等分析技术,对距表面不同深度处渗碳的微观结构特征及物组成进行研究,分析38CrSi合金钢表面纳米化过程中渗碳的细化过程.结果表明,铁素体基体细化过程中,渗碳体颗粒在切变力作用下形成细小颗粒的同时还发生了溶解.在应变量和应变速度较高的最表面,渗碳体颗粒溶解较严重,分析表明高密度位错产生的高界面能、应力集中以及能量波动是使得渗碳体颗粒发生切变和溶解主要原因.","authors":[{"authorName":"马世宁","id":"d3a2dbcc-ae47-4505-84d0-b11e9222ee78","originalAuthorName":"马世宁"},{"authorName":"巴德玛","id":"69cdb69e-3922-4582-a4f0-c44cd8a6b43d","originalAuthorName":"巴德玛"}],"doi":"","fpage":"120","id":"543d136e-da54-4c52-b6b3-cf8607c1e8f9","issue":"4","journal":{"abbrevTitle":"CLRCLXB","coverImgSrc":"journal/img/cover/CLRCLXB.jpg","id":"15","issnPpub":"1009-6264","publisherId":"CLRCLXB","title":"材料热处理学报"},"keywords":[{"id":"a8e030cf-f35b-4a3f-843c-2c026e3615c8","keyword":"38CrSi合金钢","originalKeyword":"38CrSi合金钢"},{"id":"723ddd8b-002f-4e85-8d17-e3e826303420","keyword":"表面纳米化","originalKeyword":"表面纳米化"},{"id":"8e617d14-12c0-462d-81d6-b17f3881e069","keyword":"渗碳","originalKeyword":"渗碳体相"},{"id":"c0a5f513-4836-4602-8f0e-367027d53458","keyword":"细化机理","originalKeyword":"细化机理"}],"language":"zh","publisherId":"jsrclxb200904028","title":"38CrSi合金钢表面纳米化中渗碳的细化分析","volume":"30","year":"2009"},{"abstractinfo":"介绍了缩聚的原理、特点及影响因素,对近几十年来国内外聚酰胺、聚酯和聚碳酸酯缩聚的研究进展进行了综述,并指出了缩聚的研究方向和发展趋势.","authors":[{"authorName":"蒋爱云","id":"e248ef42-515d-4b3c-8069-560fd90051e1","originalAuthorName":"蒋爱云"},{"authorName":"李新法","id":"fa1f79d2-bc4f-4262-9d17-8b8a8e3e09ab","originalAuthorName":"李新法"},{"authorName":"牛明军","id":"f3a57922-355f-4055-ae96-d238882c69c4","originalA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"},"keywords":[{"id":"61563703-5eaf-4e64-8bdc-4096e3b8a467","keyword":"微萃取","originalKeyword":"固相微萃取"},{"id":"402eb729-fb30-4613-a30c-c71005bfde95","keyword":"样品预处理","originalKeyword":"样品预处理"},{"id":"31822e7b-e1bd-4d38-a549-673fe035d030","keyword":"吸附-脱附平衡","originalKeyword":"吸附-脱附平衡"},{"id":"c73d0651-3cf4-4bae-a903-14c0ee002710","keyword":"综述","originalKeyword":"综述"}],"language":"zh","publisherId":"sp200201004","title":"微萃取新技术","volume":"20","year":"2002"}],"totalpage":4449,"totalrecord":44481}