{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":5,"startPagecode":1},"records":[{"abstractinfo":"目前,管材表面的高频感应<span style=\"color:red\">熔</span><span style=\"color:red\">覆</span>主要集中于试验方面,缺乏理论研究.对锅炉管壁在不同<span style=\"color:red\">熔</span>覆电流下高频感应<span style=\"color:red\">熔</span><span style=\"color:red\">覆</span>NiCrSiB层的<span style=\"color:red\">温度场</span>进行了<span style=\"color:red\">数值</span><span style=\"color:red\">模拟</span>,基于感应加热原理进行了有限元分析,并加以试验验证.采用金相显微镜、扫描电镜以及能谱仪对<span style=\"color:red\">熔</span>覆层的显微组织与成分进行了分析;采用硬度计及王水腐蚀分别测试了<span style=\"color:red\">熔</span>覆层的硬度及耐蚀性能.结果表明:在250 kHz时,<span style=\"color:red\">熔</span>覆电流越大,感应加热效率越高,感应加热结束时管内外壁的温差越大,管基体受到的热损伤越小;基体中的Mo元素向<span style=\"color:red\">熔</span>覆层扩散,<span style=\"color:red\">熔</span>覆层中的Si元素向基体渗透,过渡区Ni,Cr元素的含量相对<span style=\"color:red\">熔</span>覆层中的明显减少;<span style=\"color:red\">熔</span><span style=\"color:red\">覆</span>频率为250 kHz,<span style=\"color:red\">熔</span>覆电流取830 A时,<span style=\"color:red\">熔</span>覆层和基体过渡区有明显锯齿状的白亮带产生,基体和<span style=\"color:red\">熔</span>覆层呈冶金结合,<span style=\"color:red\">熔</span>覆层金相组织为奥氏体+碳化物共晶,具有良好的耐蚀性能,平均硬度为323 HV,是基体的1.79倍.","authors":[{"authorName":"岑虎","id":"79b7a2d1-4e13-4717-bfa1-a7818d1e3dcf","originalAuthorName":"岑虎"},{"authorName":"王云山","id":"cf90488b-c7a9-4a2e-9dec-c3aea502574b","originalAuthorName":"王云山"},{"authorName":"雷剑波","id":"8ad11848-4d5c-476d-93a9-094d5299f3d4","originalAuthorName":"雷剑波"},{"authorName":"刘少军","id":"9c978ec5-3b7e-4d21-8370-b37ecfb4952c","originalAuthorName":"刘少军"},{"authorName":"孟庆若","id":"b4b36e8e-cf00-492f-b260-e5fb5f93103d","originalAuthorName":"孟庆若"}],"doi":"","fpage":"12","id":"0697b61c-7ea9-499f-9a1d-cc9bbf69f63a","issue":"2","journal":{"abbrevTitle":"CLBH","coverImgSrc":"journal/img/cover/CLBH.jpg","id":"7","issnPpub":"1001-1560","publisherId":"CLBH","title":"材料保护"},"keywords":[{"id":"69637440-824c-45d7-b3b8-0535ef56c6a6","keyword":"高频感应<span style=\"color:red\">熔</span><span style=\"color:red\">覆</span>","originalKeyword":"高频感应熔覆"},{"id":"983c6b72-b68d-4475-be86-06f3de432a61","keyword":"NiCrSiB<span style=\"color:red\">熔</span>覆层","originalKeyword":"NiCrSiB熔覆层"},{"id":"144a77b9-9520-4872-97ef-0d8919d76ed3","keyword":"锅炉管","originalKeyword":"锅炉管"},{"id":"ccc21594-5280-4d7c-bb2a-abc6fcf3cb65","keyword":"<span style=\"color:red\">熔</span><span style=\"color:red\">覆</span><span style=\"color:red\">温度场</span><span style=\"color:red\">数值</span><span style=\"color:red\">模拟</span>","originalKeyword":"熔覆温度场数值模拟"},{"id":"ec6600e6-7ff8-413b-add7-0340bdeddec8","keyword":"耐蚀性能","originalKeyword":"耐蚀性能"}],"language":"zh","publisherId":"clbh201402004","title":"锅炉管表面NiCrSiB合金高频感应<span style=\"color:red\">熔</span><span style=\"color:red\">覆</span>的<span style=\"color:red\">数值</span><span style=\"color:red\">模拟</span>及<span style=\"color:red\">熔</span>覆层的性能","volume":"47","year":"2014"},{"abstractinfo":"本文针对激光<span style=\"color:red\">熔</span><span style=\"color:red\">覆</span>原位合成生物陶瓷涂层的试验过程,进行了相应的<span style=\"color:red\">数值</span><span style=\"color:red\">模拟</span>.计算出激光<span style=\"color:red\">熔</span><span style=\"color:red\">覆</span>合成羟基磷灰石等钙磷基生物陶瓷的三维<span style=\"color:red\">温度场</span>.结果表明激光<span style=\"color:red\">熔</span><span style=\"color:red\">覆</span>形成的<span style=\"color:red\">温度场</span>有利于生物陶瓷涂层形成细小且呈梯度分布的组织.","authors":[{"authorName":"邓迟","id":"4ee67aa9-dd0f-4b61-b703-e7d14acb6af0","originalAuthorName":"邓迟"},{"authorName":"张亚平","id":"e4d9b1d0-93d2-4876-b756-ff1f09e833c3","originalAuthorName":"张亚平"},{"authorName":"高家诚","id":"7648df80-cf4f-4962-a822-c40a7ce26489","originalAuthorName":"高家诚"},{"authorName":"王远亮","id":"5b83b545-ca9a-4856-8d0a-be9462bd7ac5","originalAuthorName":"王远亮"},{"authorName":"王勇","id":"8f672802-2ba0-44d0-9d65-824dad93d74a","originalAuthorName":"王勇"},{"authorName":"戴彩云","id":"3c048ad6-4bbd-4239-9033-01d31aad66a6","originalAuthorName":"戴彩云"}],"doi":"10.3969/j.issn.1673-2812.2003.04.009","fpage":"503","id":"ddc08e25-1744-483b-acd8-7aa7b27ab3b1","issue":"4","journal":{"abbrevTitle":"CLKXYGCXB","coverImgSrc":"journal/img/cover/CLKXYGCXB.jpg","id":"13","issnPpub":"1673-2812","publisherId":"CLKXYGCXB","title":"材料科学与工程学报"},"keywords":[{"id":"22b06e6e-8dde-4c8f-b8bd-68a0db9a83d4","keyword":"激光<span style=\"color:red\">熔</span><span style=\"color:red\">覆</span>","originalKeyword":"激光熔覆"},{"id":"2c3487b8-00db-4157-9414-2c5dcb59fec4","keyword":"生物陶瓷涂层","originalKeyword":"生物陶瓷涂层"},{"id":"983fabef-912e-4534-ba66-be1b18aca652","keyword":"<span style=\"color:red\">温度场</span>","originalKeyword":"温度场"},{"id":"cba87bfb-4f88-4e31-b980-dfa8cf187cbf","keyword":"<span style=\"color:red\">数值</span><span style=\"color:red\">模拟</span>","originalKeyword":"数值模拟"}],"language":"zh","publisherId":"clkxygc200304009","title":"激光<span style=\"color:red\">熔</span><span style=\"color:red\">覆</span>生物陶瓷涂层<span style=\"color:red\">温度场</span>的<span style=\"color:red\">数值</span><span style=\"color:red\">模拟</span>","volume":"21","year":"2003"},{"abstractinfo":"对铜合金表面进行激光<span style=\"color:red\">熔</span><span style=\"color:red\">覆</span>镍基合金,能够有效改善铜基件的性能.以镍基合金为<span style=\"color:red\">熔</span><span style=\"color:red\">覆</span>材料,对铜合金基件进行激光<span style=\"color:red\">熔</span><span style=\"color:red\">覆</span>实验;基于有限差分法来构建<span style=\"color:red\">熔</span><span style=\"color:red\">覆</span>过程中<span style=\"color:red\">温度场</span>数字图像的二维数学模型,对边界条件和基体内部相变潜热做<span style=\"color:red\">数值</span>化处理;最后对实验实际测量值和<span style=\"color:red\">模拟</span>计算值进行分析.结果表明,铜合金表面激光<span style=\"color:red\">熔</span><span style=\"color:red\">覆</span>镍基合金的冶金结合良好,证明了提出的<span style=\"color:red\">温度场</span>计算模型精确度高、稳定可靠.","authors":[{"authorName":"孙建召","id":"19bec4f9-f3d5-4315-8f82-bb4c6931be63","originalAuthorName":"孙建召"},{"authorName":"周晓娟","id":"eb7ce435-06be-4241-aa41-3d9ef5e20cc3","originalAuthorName":"周晓娟"}],"doi":"10.3969/j.issn.1001-3849.2017.04.004","fpage":"13","id":"809972d8-e5c5-43b4-ac6c-e319ade16051","issue":"4","journal":{"abbrevTitle":"DDYJS","coverImgSrc":"journal/img/cover/DDYJS.jpg","id":"20","issnPpub":"1001-3849","publisherId":"DDYJS","title":"电镀与精饰   "},"keywords":[{"id":"51b5f99b-80f3-4847-b6a1-958d91d622f7","keyword":"激光<span style=\"color:red\">熔</span><span style=\"color:red\">覆</span>","originalKeyword":"激光熔覆"},{"id":"736ad628-894c-4a95-b875-543d9794c086","keyword":"镍基合金","originalKeyword":"镍基合金"},{"id":"6904a097-462e-4efd-aff1-6b50f53e68ca","keyword":"<span style=\"color:red\">温度场</span>","originalKeyword":"温度场"},{"id":"0d70c60c-cfef-4ab2-89cb-b9645003032d","keyword":"<span style=\"color:red\">模拟</span>分析","originalKeyword":"模拟分析"},{"id":"79bf9026-3c90-4172-b264-60e20a35b7cf","keyword":"铜合金","originalKeyword":"铜合金"}],"language":"zh","publisherId":"ddjs201704004","title":"铜合金表面激光<span style=\"color:red\">熔</span><span style=\"color:red\">覆</span><span style=\"color:red\">温度场</span><span style=\"color:red\">数值</span>图像<span style=\"color:red\">模拟</span>分析","volume":"39","year":"2017"},{"abstractinfo":"本文建立了二维准稳态激光<span style=\"color:red\">熔</span><span style=\"color:red\">覆</span>熔池流<span style=\"color:red\">场</span>及<span style=\"color:red\">温度场</span>的<span style=\"color:red\">数值</span>模型, 除考虑对流换热外, 模型还考虑了局部大变形自由表面, 在贴体正交曲线坐标系下采用了非正交错网格ＳＩＭＰＬＥ算法离散求解动量方程, 计算出了激光<span style=\"color:red\">熔</span><span style=\"color:red\">覆</span>熔池自由表面形状和<span style=\"color:red\">温度场</span>, 速度<span style=\"color:red\">场</span>及局部特征凝固参数, <span style=\"color:red\">数值</span>结果表明, 表面张力<span style=\"color:red\">温度</span>系数αγ／αＴ和扫描速率ｕ０对熔池自由表面形状及熔池内<span style=\"color:red\">温度</span>分布, 速度分布有重要影响.","authors":[{"authorName":"曾大文","id":"21df8c7a-db61-48bd-a252-9f7eb4a6235f","originalAuthorName":"曾大文"},{"authorName":"谢长生","id":"608b7a5d-dedc-4feb-91eb-040392fb1de9","originalAuthorName":"谢长生"}],"categoryName":"|","doi":"","fpage":"604","id":"3b4f7368-91ba-420d-bc3a-5dbf8fcabc93","issue":"6","journal":{"abbrevTitle":"JSXB","coverImgSrc":"journal/img/cover/JSXB.jpg","id":"48","issnPpub":"0412-1961","publisherId":"JSXB","title":"金属学报"},"keywords":[{"id":"95faa485-5235-4085-8050-3daa3adf8d8e","keyword":"激光<span style=\"color:red\">熔</span><span style=\"color:red\">覆</span>","originalKeyword":"激光熔覆"},{"id":"e496d963-7dce-45fe-8edc-bc98ca9072c6","keyword":"null","originalKeyword":"null"},{"id":"6be927df-8065-4671-8f2b-5455fc28c6d8","keyword":"null","originalKeyword":"null"},{"id":"79102913-def2-4b62-bd2f-92a405189d3a","keyword":"null","originalKeyword":"null"},{"id":"2e44aeac-d9a7-430c-9a67-f0f8ae662119","keyword":"null","originalKeyword":"null"}],"language":"zh","publisherId":"0412-1961_1999_6_22","title":"激光<span style=\"color:red\">熔</span><span style=\"color:red\">覆</span>溶池二维准稳态流<span style=\"color:red\">场</span>及<span style=\"color:red\">温度场</span>的<span style=\"color:red\">数值</span><span style=\"color:red\">模拟</span>","volume":"35","year":"1999"},{"abstractinfo":"提出了一种送粉激光<span style=\"color:red\">熔</span><span style=\"color:red\">覆</span>中<span style=\"color:red\">熔</span>覆层表面形状及厚度的计算模型.将<span style=\"color:red\">熔</span><span style=\"color:red\">覆</span>过程中固相区、两相区和液相区作为一连续介质,用非稳态固液相变统一模型来描述其流<span style=\"color:red\">场</span>与<span style=\"color:red\">温度场</span>,并采用固定网格移动坐标来处理带移动热源的流动与传热问题.能量方程用显焓表示,有关潜热的非稳态项与对流项均做为其源项处理.用 Lambert- Beer定理和米氏理论计算粉末流与激光光束的相互作用,使<span style=\"color:red\">模拟</span>适用于送粉浓度较大的情形.<span style=\"color:red\">数值</span><span style=\"color:red\">模拟</span>程序是在流体动力学软件 PHOENICS基础上,通过添加源项、边界条件、<span style=\"color:red\">熔</span>覆层轨迹计算以及激光束和粉末流相互作用等相应模块实现.对钢基底上<span style=\"color:red\">熔</span><span style=\"color:red\">覆</span>钴基合金 Stellite 6进行<span style=\"color:red\">模拟</span>所得到的计算结果与实验结果基本一致.","authors":[{"authorName":"黄延禄","id":"0fb3c791-0b67-4c5d-863c-376f028332ca","originalAuthorName":"黄延禄"},{"authorName":"邹德宁","id":"b306f691-f0df-4da9-8d9b-6b2a748761cd","originalAuthorName":"邹德宁"},{"authorName":"梁工英","id":"3d8e502e-19d8-4d73-9164-b42d20c89188","originalAuthorName":"梁工英"},{"authorName":"苏俊义","id":"430a5fd4-e5a1-41b5-9ebf-d2e97868a6ea","originalAuthorName":"苏俊义"}],"doi":"","fpage":"330","id":"5af505ed-33a8-4afa-8cac-2a4a6b96bec4","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":"28f0df5f-21a2-4a42-9f4b-539f865c6de2","keyword":"送粉","originalKeyword":"送粉"},{"id":"5c033a02-c95b-4c1c-8705-0e7ec8fd4266","keyword":"激光<span style=\"color:red\">熔</span><span style=\"color:red\">覆</span>","originalKeyword":"激光熔覆"},{"id":"dc218c38-5f17-4442-879f-f485158aefb0","keyword":"<span style=\"color:red\">数值</span><span style=\"color:red\">模拟</span>","originalKeyword":"数值模拟"},{"id":"f7a9866e-64b5-4df5-9b67-14019d55b072","keyword":"<span style=\"color:red\">熔</span><span style=\"color:red\">覆</span>轨迹","originalKeyword":"熔覆轨迹"},{"id":"df663126-bab8-4703-9eb1-28659cd2efb1","keyword":"<span style=\"color:red\">温度场</span>","originalKeyword":"温度场"}],"language":"zh","publisherId":"xyjsclygc200305003","title":"送粉激光<span style=\"color:red\">熔</span><span style=\"color:red\">覆</span>过程中<span style=\"color:red\">熔</span><span style=\"color:red\">覆</span>轨迹及流<span style=\"color:red\">场</span>与<span style=\"color:red\">温度场</span>的<span style=\"color:red\">数值</span><span style=\"color:red\">模拟</span>","volume":"32","year":"2003"},{"abstractinfo":"采用ADPL参数化语言，综合考虑热源模型、材料热物性参数、相变潜热、边界条件等因素，建立了连续移动高斯热源作用下TC11表面激光<span style=\"color:red\">熔</span><span style=\"color:red\">覆</span>MCrAlY涂层三维瞬态<span style=\"color:red\">温度场</span><span style=\"color:red\">数值</span>模型。实验结果测量值与<span style=\"color:red\">模拟</span>计算值的对比表明，建立的<span style=\"color:red\">温度场</span><span style=\"color:red\">数值</span>模型具有很好的可靠性。同时，在分析涂层品质的基础上，基于该模型对TC11表面激光<span style=\"color:red\">熔</span><span style=\"color:red\">覆</span>MCrAlY涂层的激光工艺参数进行了预报及优化，得出较优的激光工艺参数为：激光功率1200 W、光斑直径2 mm、扫描速度400 mm/min。","authors":[{"authorName":"沈清","id":"586979be-80f8-4628-b5be-348fe3271975","originalAuthorName":"沈清"},{"authorName":"王宏宇","id":"347c5e8e-c6c6-419c-abd2-7652504ad549","originalAuthorName":"王宏宇"},{"authorName":"金镜","id":"b5b75179-e31c-46c5-b8c0-e9ea44418ca7","originalAuthorName":"金镜"},{"authorName":"吴志奎","id":"2a7b0c47-7502-4976-bb2d-b406f55d7fca","originalAuthorName":"吴志奎"},{"authorName":"程满","id":"008c7c75-b5a9-4af8-b3d2-520f3d70a915","originalAuthorName":"程满"}],"doi":"","fpage":"73","id":"6179ad77-c06f-4a90-8469-97d04a1683aa","issue":"1","journal":{"abbrevTitle":"BQCLKXYGC","coverImgSrc":"journal/img/cover/BQCLKXYGC.jpg","id":"4","issnPpub":"1004-244X","publisherId":"BQCLKXYGC","title":"兵器材料科学与工程   "},"keywords":[{"id":"5c008d3d-a457-4f65-9c96-5679a8b6f20d","keyword":"TC11合金","originalKeyword":"TC11合金"},{"id":"9e1eb4e2-9355-4325-a7bf-6fd9076e75cc","keyword":"激光<span style=\"color:red\">熔</span><span style=\"color:red\">覆</span>","originalKeyword":"激光熔覆"},{"id":"1a7eea9e-0aa6-4759-b49c-9332b853ab45","keyword":"MCrAlY涂层","originalKeyword":"MCrAlY涂层"},{"id":"a1daed9d-bde0-4fef-bec8-84d597d7cef2","keyword":"<span style=\"color:red\">温度场</span><span style=\"color:red\">模拟</span>","originalKeyword":"温度场模拟"},{"id":"d261a3d1-68d4-47ed-b2d2-d7dc99980815","keyword":"工艺参数优化","originalKeyword":"工艺参数优化"}],"language":"zh","publisherId":"bqclkxygc201401029","title":"TC11表面激光<span style=\"color:red\">熔</span><span style=\"color:red\">覆</span>MCrAlY涂层<span style=\"color:red\">温度场</span><span style=\"color:red\">模拟</span>及参数优化","volume":"","year":"2014"},{"abstractinfo":"在分析了预置式激光表面<span style=\"color:red\">熔</span><span style=\"color:red\">覆</span>边界传热特点的基础之上,建立了简化的三维<span style=\"color:red\">温度场</span>分析模型,<span style=\"color:red\">模拟</span>激光<span style=\"color:red\">熔</span><span style=\"color:red\">覆</span>模压预置层时工件的瞬态<span style=\"color:red\">温度场</span>;同时,在<span style=\"color:red\">温度场</span><span style=\"color:red\">模拟</span>的基础上提出了以界面定点热循环曲线的最高<span style=\"color:red\">温度</span>达到特定金属的熔点作为判断预置层与基体间形成良好冶金结合的标准,并依据此标准预测了预置式激光表面<span style=\"color:red\">熔</span><span style=\"color:red\">覆</span>时的工艺参数范围.结果表明,<span style=\"color:red\">模拟</span>预测的工艺参数范围与实际加工的最佳参数较为接近,对预置式激光表面<span style=\"color:red\">熔</span><span style=\"color:red\">覆</span>的工艺参数选择具有指导意义.","authors":[{"authorName":"陈泽民","id":"0bd8eb99-d8c8-4831-9686-6b41ede02a5a","originalAuthorName":"陈泽民"},{"authorName":"曾凯","id":"6f0d7d8f-a712-4f6a-b9d7-f7b6b06d7bd2","originalAuthorName":"曾凯"},{"authorName":"廖丕博","id":"a5ee7c7d-1228-49dd-b480-36813575fe36","originalAuthorName":"廖丕博"},{"authorName":"周佳训","id":"6ee3a324-6d49-486d-877d-7232a5eea7ff","originalAuthorName":"周佳训"}],"doi":"","fpage":"188","id":"055fa797-a6ae-4776-a569-fb7a146f8303","issue":"1","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":"e3370e4a-1e69-4891-a3bc-46d063cecc33","keyword":"激光<span style=\"color:red\">熔</span><span style=\"color:red\">覆</span>","originalKeyword":"激光熔覆"},{"id":"c6c9cde1-4d57-4595-b18a-db3b9de6a5b3","keyword":"<span style=\"color:red\">温度场</span><span style=\"color:red\">模拟</span>","originalKeyword":"温度场模拟"},{"id":"b328bb10-b59a-4bf7-8f5e-cafa808439c3","keyword":"参数预测","originalKeyword":"参数预测"}],"language":"zh","publisherId":"jsrclxb200901043","title":"激光<span style=\"color:red\">熔</span><span style=\"color:red\">覆</span>模压预置层的<span style=\"color:red\">温度场</span><span style=\"color:red\">模拟</span>与参数预测","volume":"30","year":"2009"},{"abstractinfo":"利用旋转Gauss曲面体新型热源模型,忽略深<span style=\"color:red\">熔</span>激光焊时小孔对传热的影响,建立了移动激光热源作用下的三维数学模型.利用PHOENICS3.4软件,<span style=\"color:red\">模拟</span>了SUS304不锈钢深<span style=\"color:red\">熔</span>激光焊接热过程的<span style=\"color:red\">温度场</span>和熔池熔合线形状,得到了不同焊接速度下的<span style=\"color:red\">温度场</span>分布云图和\"钉头\"状的熔池形状.<span style=\"color:red\">数值</span><span style=\"color:red\">模拟</span>结果与试验结果基本吻合.","authors":[{"authorName":"张瑞华","id":"a1756c30-c521-46d7-b126-699f9470f01c","originalAuthorName":"张瑞华"},{"authorName":"樊丁","id":"e24c3da9-3d71-4682-a28c-88dabe80ee62","originalAuthorName":"樊丁"},{"authorName":"片山聖二","id":"e7fdd0fc-45c0-459f-b151-ceb1c14b29c5","originalAuthorName":"片山聖二"}],"doi":"10.3969/j.issn.1000-3738.2007.02.022","fpage":"71","id":"c47b3655-eb05-4785-8406-4c3eed933be9","issue":"2","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":"5a3e9975-273f-4424-837d-d063fe4ca90f","keyword":"激光焊接","originalKeyword":"激光焊接"},{"id":"d42ea722-c09e-45fc-bce7-9c3216d3fa22","keyword":"熔池","originalKeyword":"熔池"},{"id":"6fd5d01b-cc51-4dd5-ac6b-32a127be308b","keyword":"<span style=\"color:red\">温度场</span>","originalKeyword":"温度场"},{"id":"eeea060a-f3b2-4f7f-a718-b6bc249203b5","keyword":"<span style=\"color:red\">数值</span><span style=\"color:red\">模拟</span>","originalKeyword":"数值模拟"}],"language":"zh","publisherId":"jxgccl200702022","title":"深<span style=\"color:red\">熔</span>激光焊接熔池<span style=\"color:red\">温度场</span>的<span style=\"color:red\">数值</span><span style=\"color:red\">模拟</span>","volume":"31","year":"2007"},{"abstractinfo":"根据传热学理论和<span style=\"color:red\">数值</span><span style=\"color:red\">模拟</span>方法研究<span style=\"color:red\">温度场</span>的分布规律,在考虑了热物性参数、换热系数、相变潜热随<span style=\"color:red\">温度</span>变化的因素,应用ANSYS有限元软件的参数化设计语言建立了45钢表面激光重<span style=\"color:red\">熔</span>连续移动三维瞬态<span style=\"color:red\">温度场</span>有限元模型.结果表明:提高激光功率对增大相变硬化区效果不大,反而形成较大的熔池而使重<span style=\"color:red\">熔</span>表面粗糙.与激光功率相比,激光扫描速度对试样<span style=\"color:red\">温度场</span>的影响较小.经过激光重<span style=\"color:red\">熔</span>后,形成重<span style=\"color:red\">熔</span>区、相变硬化区和基体三个区域.实验结果较好地验证了<span style=\"color:red\">模拟</span>结果,表明所建立的<span style=\"color:red\">温度场</span>计算模型是正确和可靠的.通过该计算模型,可以掌握金属表面激光重<span style=\"color:red\">熔</span>过程加热和冷却规律,为制备高性能表面改性层选择合适的工艺参数提供依据.","authors":[{"authorName":"田宗军","id":"43fbe8ac-38cb-4323-8e5c-06417dcefc1c","originalAuthorName":"田宗军"},{"authorName":"王东生","id":"db20b2fd-f577-4709-869c-b55f0a103afa","originalAuthorName":"王东生"},{"authorName":"黄因慧","id":"279d9b3f-b916-47c6-a125-99d56c9f638f","originalAuthorName":"黄因慧"},{"authorName":"沈理达","id":"164b8976-4d86-40ad-8ebb-73077dce501e","originalAuthorName":"沈理达"},{"authorName":"刘志东","id":"a6766e34-379e-4bb5-8149-9c1b604a88c8","originalAuthorName":"刘志东"},{"authorName":"陈勇","id":"ea1cbe7e-6e04-4c35-8e0f-850113592c40","originalAuthorName":"陈勇"}],"doi":"","fpage":"173","id":"eb8b9dda-3c58-419e-b21f-5fae1aa85cfe","issue":"6","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":"9198a889-9225-4078-b53d-b722ff231f6f","keyword":"激光重<span style=\"color:red\">熔</span>","originalKeyword":"激光重熔"},{"id":"e6156900-89f6-4a18-979f-e66855956f98","keyword":"<span style=\"color:red\">数值</span><span style=\"color:red\">模拟</span>","originalKeyword":"数值模拟"},{"id":"3a49a34d-5bf3-4bbf-b450-b48fc405ea90","keyword":"ANSYS有限元","originalKeyword":"ANSYS有限元"},{"id":"f001d6e7-1306-47ee-a321-038df22e3a3a","keyword":"<span style=\"color:red\">温度场</span>","originalKeyword":"温度场"},{"id":"cc6ed44e-4310-4fae-8f81-1a3ff92226e6","keyword":"微观结构","originalKeyword":"微观结构"}],"language":"zh","publisherId":"jsrclxb200806039","title":"45钢表面激光重<span style=\"color:red\">熔</span><span style=\"color:red\">温度场</span><span style=\"color:red\">数值</span><span style=\"color:red\">模拟</span>","volume":"29","year":"2008"},{"abstractinfo":"利用ANSYS软件建立预置式粉层激光反应<span style=\"color:red\">熔</span><span style=\"color:red\">覆</span>的<span style=\"color:red\">数值</span><span style=\"color:red\">模拟</span>模型，考虑了相变潜热、辐射对流散热、表面效应单元等因素的影响；在不同的工艺参数下，用该模型对激光反应<span style=\"color:red\">熔</span><span style=\"color:red\">覆</span>碳化物陶瓷涂层<span style=\"color:red\">温度场</span>进行了计算，分析了整个激光加工过程中<span style=\"color:red\">温度场</span>的变化情况。结果表明：激光功率和扫描速度对基体熔化厚度以及<span style=\"color:red\">熔</span>覆层宽度的影响都比较显著；激光功率是造成<span style=\"color:red\">熔</span>覆层较大<span style=\"color:red\">温度</span>梯度的主要因素；有限元<span style=\"color:red\">模拟</span>得到的最佳工艺参数得到了试验验证。","authors":[{"authorName":"李健","id":"7ad51ab6-0a44-486e-a554-ad513c9c68e4","originalAuthorName":"李健"},{"authorName":"尹莉","id":"9343a886-7798-447a-9d40-2946eb1c1c2f","originalAuthorName":"尹莉"},{"authorName":"李文戈","id":"6bbf1580-df74-4da2-b683-24717a3071d8","originalAuthorName":"李文戈"},{"authorName":"吴钱林","id":"23fd57b8-e511-423b-98da-6a9ece9753ec","originalAuthorName":"吴钱林"}],"doi":"","fpage":"86","id":"53c0857d-d0b9-40a2-acdb-277615efcd08","issue":"6","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":"193e5b20-6184-41f0-b394-ca4e84b39ce1","keyword":"激光反应<span style=\"color:red\">熔</span><span style=\"color:red\">覆</span>","originalKeyword":"激光反应熔覆"},{"id":"110973a4-c7f9-4540-ad8b-728f6b5e5572","keyword":"有限元<span style=\"color:red\">模拟</span>","originalKeyword":"有限元模拟"},{"id":"4092f65c-493c-4e62-a722-794b1987be29","keyword":"<span style=\"color:red\">温度场</span>","originalKeyword":"温度场"},{"id":"a05096da-bb0e-4b42-b4b7-f3e42d12dac8","keyword":"预置涂层","originalKeyword":"预置涂层"}],"language":"zh","publisherId":"jxgccl201206024","title":"激光反应<span style=\"color:red\">熔</span><span style=\"color:red\">覆</span>碳化物陶瓷涂层<span style=\"color:red\">温度场</span>的有限元<span style=\"color:red\">模拟</span>","volume":"36","year":"2012"}],"totalpage":7213,"totalrecord":72130}