材料期刊网

材料导报, 2009, 23(21): 17-21.

金属材料表面自身纳米化研究进展

杨银辉 ^1, , 严彪 ^2, , 张俊宝 ^3,

{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":5,"startPagecode":1},"records":[{"abstractinfo":"根据Zr-2合金的晶粒尺寸在不同热工艺参数(变形温度、变形程度、变形速率)下的12组实测数据,应用基于粒子群算法寻找最优参数的支持向量回归方法,建立了合金晶粒尺寸的预测模型.通过与模糊神经网络模型的结果进行比较,结果表明:基于相同的试验样本,支持向量回归预测模型的平均绝对误差和平均绝对百分误差都比模糊神经网络预测模型的小,而复相关系数大.这说明,支持向量回归预测模型预测精度比模糊神经网络模型要高,是简单而精确的建模方法,可用于优化热加工参数.","authors":[{"authorName":"唐江凌","id":"03e631f0-b15f-46a4-a498-a596589ff4c7","originalAuthorName":"唐江凌"},{"authorName":"蔡从中","id":"44ba54c3-0e3d-4f5b-bbc4-e353fb51e560","originalAuthorName":"蔡从中"},{"authorName":"肖婷婷","id":"4386a541-2bcd-481e-a3b3-77280e35041b","originalAuthorName":"肖婷婷"},{"authorName":"皇思洁","id":"1e94598f-adf6-4525-85fa-57c84fcc0a8b","originalAuthorName":"皇思洁"}],"doi":"","fpage":"180","id":"8c5b35c7-0428-4bd3-8425-d1f3c22dee60","issue":"2","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":"26ca88e5-d96d-4f80-bbce-ffa8246c1831","keyword":"支持向量机","originalKeyword":"支持向量机"},{"id":"e0deed95-0971-4642-b6bd-3673222710fc","keyword":"模糊神经网络","originalKeyword":"模糊神经网络"},{"id":"6909413c-9239-4969-8a3f-93add4bb5559","keyword":"粒子群择优","originalKeyword":"粒子群择优"},{"id":"fa962092-151d-4dd1-91b7-1299b3519149","keyword":"Zr-2合金","originalKeyword":"Zr-2合金"},{"id":"e5f04e5f-301a-4c88-ae1e-540b4348171b","keyword":"晶粒尺寸","originalKeyword":"晶粒尺寸"}],"language":"zh","publisherId":"jsrclxb201302035","title":"支持向量回归在Zr-2合金晶粒尺寸预测中的应用","volume":"34","year":"2013"},{"abstractinfo":"用电子显微镜原位研究了Zr-2合金中的氢化锆在应力及应变作用下的析出过程。应力诱发析出的氢化锆为γ相,与基体间存在(110)_γ//(1120)_(αZr),(001)_γ//(0001)_(αZr)的取向关系。γ氢化锆沿它的[110]生长最快,形成尖劈状。当沿氢化锆开裂后,在裂纹端部又将析出氢化锆。应变诱发析出的氢化锆为δ相,与基体间存在(111)_δ//(0001)_(αZr),(110)_δ//(1120)_(αZr);或(010)_δ//(0001)_(αZr),(001)_δ//(1120)_(αZr)的取向关系。形变速率越高,δ氢化锆越细小。","authors":[{"authorName":"周邦新","id":"7de8395a-5539-4383-a1cc-4d70173eb222","originalAuthorName":"周邦新"},{"authorName":"郑斯奎","id":"352f646b-d011-486a-81ea-b0f0f9fa54fb","originalAuthorName":"郑斯奎"},{"authorName":"汪顺新","id":"433991aa-cc4c-48ee-9da4-58f93bff66f0","originalAuthorName":"汪顺新"}],"categoryName":"|","doi":"","fpage":"34","id":"805f3557-3b2f-4bc9-b428-a9152ef05ab7","issue":"3","journal":{"abbrevTitle":"JSXB","coverImgSrc":"journal/img/cover/JSXB.jpg","id":"48","issnPpub":"0412-1961","publisherId":"JSXB","title":"金属学报"},"keywords":[{"id":"4296b62a-37e8-483a-9bbf-a25281c1b78f","keyword":"Zr-2合金","originalKeyword":"Zr-2合金"},{"id":"45a8ca84-aa4f-490d-881a-16c0118e1145","keyword":"Precipitation of hydrides","originalKeyword":"Precipitation of hydrides"},{"id":"d45d2e31-df15-461c-a5ad-f739db3140b0","keyword":"hydrogen-induced delayed cracking","originalKeyword":"hydrogen-induced delayed cracking"}],"language":"zh","publisherId":"0412-1961_1989_3_17","title":"Zr-2合金中应力及应变诱发氢化锆析出过程的电子显微镜原位研究","volume":"25","year":"1989"},{"abstractinfo":"通过Zr-2合金在变形温度为750,800℃,变形速率为0.01,1,10 s-1,变形程度为50%,65%的热压缩试验获得数据,采用模糊神经网络方法建立Zr-2合金的晶粒尺寸及流变应力模型.模型的输入参数包括变形温度、变形程度、变形速率等热加工参数,模型的输出为晶粒尺寸和流变应力.结果表明,该模型避免了传统经验回归拟合复杂的数学公式计算,是简单而精确的建模方法,可用于优化热加工参数.","authors":[{"authorName":"林国庆","id":"71bdc767-354b-4c74-bf69-3b7028dabf4d","originalAuthorName":"林国庆"},{"authorName":"李颖","id":"e6a0b7d8-5067-4906-a65b-d0b95b0bba54","originalAuthorName":"李颖"},{"authorName":"王新梅","id":"f012acc1-0c4d-46d2-b26c-3efd52aa4a88","originalAuthorName":"王新梅"}],"doi":"","fpage":"464","id":"1fa1a828-e8d6-48e7-99f6-e7c7539614fb","issue":"z1","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":"3ddcc34e-a056-4935-9878-4a59bddcf262","keyword":"模糊神经网络","originalKeyword":"模糊神经网络"},{"id":"3c4796d7-cebd-4d8e-8fef-9d45315a9ab3","keyword":"晶粒尺寸","originalKeyword":"晶粒尺寸"},{"id":"47b03277-efae-4b72-acbe-6890ad827bf7","keyword":"流变应力","originalKeyword":"流变应力"}],"language":"zh","publisherId":"xyjsclygc2009z1105","title":"基于模糊神经网络的Zr-2合金晶粒尺寸及流变应力模型","volume":"38","year":"2009"},{"abstractinfo":"研究第二相大小和种类对Zr-2和Zr-4合金在400℃,10.3MPa过热蒸气中腐蚀吸氢行为的影响.结果表明:吸氢量的多少和耐腐蚀性能的好坏之间并不一定存在严格的对应关系,而是与第二相大小和种类密切相关.在相同腐蚀增重下,含粗大第二相样品的吸氢量均大于含细小第二相样品:第二相比较粗大的Zr-2样品的吸氢量比Zr-4样品大得多;而第二相比较细小的Zr-2和Zr-4样品的吸氢量差别却很小.对Zr(Fe,Cr)2和Zr2(Fe,Ni)金属间化合物及纯锆进行的PCT和吸放氢动力学测试表明,前两者可自由吸放氢,且吸放氢速度快,而纯锆只能吸氢难以放氢.据此,Zr-Sn系合金在400℃,10.3MPa过热蒸气中腐蚀吸氢行为可以用提出的\"在金属/氧化膜界面处Zr和OH-反应生成的氢可以优先被镶嵌在金属/氧化膜界面处的可逆吸放氢能力强于Zr的Zr(Fe,Cr)2和Zr2(Fe,Ni)第二相捕获,它们可作为吸氢的优先通道\"的吸氢模型得到合理解释.","authors":[{"authorName":"王锦红","id":"db6fb448-3d54-4fee-bd6a-6deec2b9ab72","originalAuthorName":"王锦红"},{"authorName":"姚美意","id":"66616405-0d53-4ad8-940d-75cb7b6e6fb6","originalAuthorName":"姚美意"},{"authorName":"周邦新","id":"4d3a8eb2-b4a8-43c2-802a-18b6993491fe","originalAuthorName":"周邦新"},{"authorName":"耿建桥","id":"e02ff8d0-e904-4d05-879d-02007e849367","originalAuthorName":"耿建桥"},{"authorName":"张欣","id":"b5d2bd14-3539-40db-9a27-2a3abf5d1e7c","originalAuthorName":"张欣"},{"authorName":"张金龙","id":"b035c832-95f2-4ea2-b8fe-1187b8b49f58","originalAuthorName":"张金龙"}],"doi":"","fpage":"833","id":"4523f5e7-e774-41b4-888d-efc39b980831","issue":"5","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":"fdb22c37-5ad8-4dbd-b0c8-7883b1004aa1","keyword":"吸氢","originalKeyword":"吸氢"},{"id":"f09a3d14-5ec9-40f6-a351-678ecd1bd7e4","keyword":"第二相","originalKeyword":"第二相"},{"id":"d01619d2-4186-4cc0-b184-692ffb36877c","keyword":"Zr2(Fe,Ni)","originalKeyword":"Zr2(Fe,Ni)"},{"id":"307155fe-d2a8-4e1d-a0d6-bba4c5b1d388","keyword":"Zr(Fe,Cr)2","originalKeyword":"Zr(Fe,Cr)2"},{"id":"c5f1d7ef-0970-4ebd-a1eb-c5e9b5ca0b69","keyword":"锆合金","originalKeyword":"锆合金"}],"language":"zh","publisherId":"xyjsclygc201105019","title":"Zr-Sn系合金在过热蒸气中的腐蚀吸氢行为","volume":"40","year":"2011"},{"abstractinfo":"作为吸氢合金,Zr2Fe合金具有吸氢速度快、吸氢效率高、空气中不易自燃等特点,可以应用在工业生产过程中的很多领域.Zr2 Fe合金用作氢回收材料时,可以在氢浓度较低的情况下吸收氢气.本实验中使用悬浮加热炉在氩气保护下制备Zr2 Fe合金,采用X射线衍射仪(XRD)测定合金在不同处理条件下的相结构,采用扫描电子显微镜(SEM)观察合金的微观背散射形貌,观察合金反应前后元素变化规律,使用本单位自制Sievert法气体系统测试合金与氢气反应过程中动力学曲线.研究发现,Zr2 Fe合金吸氢后形成Zr2 FeH5相,该相在温度与压力的共同作用下容易发生歧化反应,形成ZrH2相和ZrFe2相并放出一定量氢气,并且在相应反应条件下该歧化反应不可逆,严重影响合金的使用寿命和使用成本.实验结果表明系统中温度、氢气压力越高,Zr2 Fe合金吸氢相歧化反应发生速率越快,但相比于压力作用效果温度是影响Zr2 Fe合金歧化反应进程的主要因素.","authors":[{"authorName":"李昂","id":"68fed694-07ea-4976-8928-e24fc257256e","originalAuthorName":"李昂"},{"authorName":"王树茂","id":"f7a15905-b3c3-4bba-911e-553db4337aa5","originalAuthorName":"王树茂"},{"authorName":"李志念","id":"79ea0744-04d0-48e4-8ebd-c005b834e630","originalAuthorName":"李志念"},{"authorName":"蒋利军","id":"4cec6dcb-1db9-404f-8324-5e803fc9d1d7","originalAuthorName":"蒋利军"},{"authorName":"刘晓鹏","id":"e2fc32d7-d139-4bc7-b2c2-fabda8800782","originalAuthorName":"刘晓鹏"}],"doi":"10.13373/j.cnki.cjrm.XY15122402","fpage":"252","id":"e9b059cc-6255-4145-83b9-804f95629c9c","issue":"3","journal":{"abbrevTitle":"XYJS","coverImgSrc":"journal/img/cover/XYJS.jpg","id":"67","issnPpub":"0258-7076","publisherId":"XYJS","title":"稀有金属"},"keywords":[{"id":"f8f5ea92-6956-4968-b91d-ab584ad554ea","keyword":"Zr2Fe合金","originalKeyword":"Zr2Fe合金"},{"id":"2601b655-d9e9-487c-b2ce-e0fac182f15a","keyword":"歧化反应","originalKeyword":"歧化反应"},{"id":"98a4bbf6-35f2-4849-861d-6ff9afa453df","keyword":"温度与压力","originalKeyword":"温度与压力"}],"language":"zh","publisherId":"xyjs201703005","title":"Zr2Fe合金吸氢相歧化研究","volume":"41","year":"2017"},{"abstractinfo":"应用透射电子显微镜(TEM)和高分辨电子显微镜(HREM)研究了在400℃,10.3MPa过热蒸汽中形成Zr-4合金氧化膜中的Zr(Fe,Cr)2第二相粒子。结果表明,嵌在合金氧化膜中的Zr(Fe,Cr)2粒子表面生成面心立方结构的Zr6(Fe,Cr)3O,它与Zr(Fe,Cr)2存在共格关系。在上述氧化物之上为氧化物立方ZrO2和金属相α-Fe(Cr)的混合物。","authors":[{"authorName":"李聪","id":"7ae64ae9-7479-4473-b4af-f525177a06bf","originalAuthorName":"李聪"},{"authorName":"周邦新","id":"222c3208-ad1c-403c-a2bd-b0f3509d3431","originalAuthorName":"周邦新"},{"authorName":"苗志","id":"7a2ec640-9249-4d1c-8f4a-0813d597e2d8","originalAuthorName":"苗志"},{"authorName":"戴吉岩","id":"b2e96b3b-cb50-494a-b0e0-3f3aa798b9ed","originalAuthorName":"戴吉岩"}],"categoryName":"|","doi":"","fpage":"72","id":"1a428b50-abad-493b-89ef-5dcb111d63e1","issue":"3","journal":{"abbrevTitle":"FSXB","coverImgSrc":"journal/img/cover/腐蚀学报封面.jpg","id":"24","issnPpub":"2667-2669","publisherId":"FSXB","title":"腐蚀学报（英文）"},"keywords":[{"id":"09224d4a-0dcd-428d-9b3e-033128f763c8","keyword":"Zr-4合金","originalKeyword":"Zr-4合金"},{"id":"378ed699-b6e4-4c60-b3e1-1d8276bce375","keyword":"null","originalKeyword":"null"},{"id":"ef366c0e-a01e-462f-9744-02cf4e34ef89","keyword":"null","originalKeyword":"null"},{"id":"5e51b3e0-f64f-4937-9e1e-d87f08413312","keyword":"null","originalKeyword":"null"},{"id":"22d404c1-242f-42b0-bc5e-b2c0af9e3b4f","keyword":"null","originalKeyword":"null"}],"language":"zh","publisherId":"1002-6495_1996_3_18","title":"Zr─4合金氧化膜中Zr(Fe,Cr)2第二相粒子的HREM观察","volume":"8","year":"1996"},{"abstractinfo":"采用感应熔炼法制备了Mg2Ni1-χZrχ(χ=0、0.2、0.4)合金,研究了Zr的添加对Mg系储氢合金储氢性能的影响.对合金的成分和微观组织进行分析,结果表明,Zr较难融入到合金,但是Zr能使得合金晶粒得到细化,且合金中都有Mg2Ni相的形成,有利于吸氢反应的进行.利用PCT测试仪测定了合金的储氢性能,结果表明:添加Zr元素的添加能有效降低Mg2Ni的吸放氢温度,并能有效提高提高合金的吸氢量,最高吸氢量达到4.91wt%.","authors":[{"authorName":"陈玉安","id":"240dd8d2-845e-420a-893a-67eaf9f99c46","originalAuthorName":"陈玉安"},{"authorName":"郭庆","id":"3c708a74-f279-4961-a3d2-73dcd97b0ce2","originalAuthorName":"郭庆"},{"authorName":"黄华","id":"bff7329b-8c53-4f4b-9b93-85315f969e6c","originalAuthorName":"黄华"},{"authorName":"傅洁","id":"61336f18-77a7-4787-a4d4-088af4c08555","originalAuthorName":"傅洁"},{"authorName":"潘复生","id":"44edb84e-ed12-4d8b-a5e8-10ec611b25d6","originalAuthorName":"潘复生"}],"doi":"","fpage":"10","id":"979f9674-2c80-49e8-a32e-0547ae5ef462","issue":"5","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":"0b058086-588e-4068-bbd4-2321e44b4576","keyword":"感应熔炼","originalKeyword":"感应熔炼"},{"id":"f4e5adec-fb20-456b-8674-f44630351567","keyword":"储氢性能","originalKeyword":"储氢性能"},{"id":"6923ac88-d401-466f-81c4-dc6eb381c944","keyword":"镁基储氢合金","originalKeyword":"镁基储氢合金"}],"language":"zh","publisherId":"jsrclxb200905003","title":"Zr在Mg2Ni储氢合金中的作用","volume":"30","year":"2009"},{"abstractinfo":"利用透射电镜观察了Al-4Cr-4Zr-2Ti(原子百分比)合金的显微组织, 并测定了相应的显微硬度. 结果表明: 快凝合金在400℃, 4 h时效达到峰值硬度,Hv达2 420 MPa, 此时的析出相为Al13Cr2和与基体共格的亚稳相Ll2-Al3Zr. 合金经400℃, 96 h时效后的显微硬度与急冷态硬度和峰值硬度相比仅分别下降10%和14%. 而500℃, 4h时效后, 由于Ll2-Al3Zr转变为DO23-Al3Zr并且析出相粗化, 导致合金硬度急剧下降.","authors":[{"authorName":"苏勇","id":"67080022-5e2b-4754-8880-37506acc0f6c","originalAuthorName":"苏勇"},{"authorName":"张红","id":"10ed54cf-f2ca-49c5-bced-722559242350","originalAuthorName":"张红"},{"authorName":"陈翌庆","id":"c9926c71-5c45-45b6-b56f-1eaa303235b4","originalAuthorName":"陈翌庆"}],"doi":"","fpage":"303","id":"9274b307-36b4-4dd8-82ef-137114b0728b","issue":"4","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":"11ed1197-a1b2-4dec-b2fb-991138ee4a30","keyword":"快速凝固","originalKeyword":"快速凝固"},{"id":"9719cd09-90e8-4764-8d23-7f0e2039801b","keyword":"Al-Cr-Zr-Ti合金","originalKeyword":"Al-Cr-Zr-Ti合金"},{"id":"258ec792-f1f7-436b-a463-d0823f2e9d81","keyword":"时效","originalKeyword":"时效"}],"language":"zh","publisherId":"xyjsclygc200104016","title":"快速凝固Al-4Cr-4Zr-2Ti合金的时效特性","volume":"30","year":"2001"},{"abstractinfo":"通过XRD,SEM,EDX等手段研究了Zr对Sm2Fe17母合金及均匀化热处理后合金的相及微观结构的影响.结果表明:少量Zr元素的加入,能有效抑制铸锭中α-Fe相的生成;改变富Sm相的分布形态,使其在合金中沿基体Sm2Fe17相晶界呈网状分布,同时能部分取代基体Sm2Fe17相中Fe;短时的热处理能进一步降低合金中α-Fe含量在消除富Sm相,并使Zr在合金中的分布趋于均匀,而长时间热处理对加Zr合金不是一个必要的环节.因此,Zr元素的加入有效的降低了成本,有利于制备成分均一的高质量的Sm2Fe17相母合金.","authors":[{"authorName":"叶金文","id":"f18e52ee-c0b2-46f9-a873-f696b7bc6055","originalAuthorName":"叶金文"},{"authorName":"刘颖","id":"814673a0-0c91-4fad-8b70-5e7a65ddf88e","originalAuthorName":"刘颖"},{"authorName":"朱国丽","id":"505222fc-0282-4bc2-91ae-1b28cbbbee6b","originalAuthorName":"朱国丽"},{"authorName":"高升吉","id":"9022bee4-0f85-4d48-8fae-e70ca7b2a601","originalAuthorName":"高升吉"},{"authorName":"涂铭旌","id":"a57d1c92-fd73-4ee1-95a9-3f6e33adffce","originalAuthorName":"涂铭旌"}],"doi":"","fpage":"746","id":"457466c2-f999-4d35-a115-a8c83c7d892a","issue":"5","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":"ae54b5c2-c198-4a07-9f51-fb1b89596bf8","keyword":"稀土","originalKeyword":"稀土"},{"id":"2318d5b9-4d7e-40c4-8d13-51047531d995","keyword":"永磁","originalKeyword":"永磁"},{"id":"b1dc2cbe-3464-4d6f-b5b8-0fa767fd4ee7","keyword":"SmFeN","originalKeyword":"SmFeN"}],"language":"zh","publisherId":"xyjsclygc200605018","title":"Zr元素对Sm2Fe17合金结构的影响","volume":"35","year":"2006"},{"abstractinfo":"在650℃～850℃范围内研究了单相α钛合金Ti2Al2.5Zr的再结晶特性与动力学规律.结果表明:Ti2Al2.5Zr合金管材在700℃～750℃下进行真空退火,可获得完全再结晶等轴组织,晶粒细小、均匀.Ti2Al2.5Zr合金再结晶过程遵循Avrami-Erofeev动力学模型,其具体方程为[-ln(1-α)]1/4=kt,温度对再结晶速率有明显影响.Ti2Al2.5Zr合金的再结晶活化能计算值为115.25 kJ/mol.","authors":[{"authorName":"于振涛","id":"a5be618d-a06b-4381-afcd-4c0416f0f32e","originalAuthorName":"于振涛"},{"authorName":"周廉","id":"1f4353c6-09a5-4cd3-9b72-ad6e8e64f3da","originalAuthorName":"周廉"},{"authorName":"邓炬","id":"858fadfd-4e26-43f2-ab95-2fdb67aa72f3","originalAuthorName":"邓炬"},{"authorName":"顾海澄","id":"7edbe4cc-83b7-43cd-892d-7a1b95cbf13b","originalAuthorName":"顾海澄"}],"doi":"","fpage":"340","id":"125ded39-5221-40a4-858d-4a9d9d417612","issue":"6","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":"06e856d4-d572-4383-ab7f-9e326748fd86","keyword":"再结晶","originalKeyword":"再结晶"},{"id":"bfd167da-2481-42b9-8f7a-f8e96bca78e4","keyword":"Ti2Al2.5Zr","originalKeyword":"Ti2Al2.5Zr"},{"id":"32b14457-b100-4773-8cae-66c0785dc6a2","keyword":"钛合金","originalKeyword":"钛合金"},{"id":"c80eee5c-f807-4549-ba32-490b6cb7f8a7","keyword":"动力学","originalKeyword":"动力学"}],"language":"zh","publisherId":"xyjsclygc199906002","title":"Ti-2Al-2.5Zr合金再结晶特性及动力学机制","volume":"28","year":"1999"}],"totalpage":10722,"totalrecord":107220}