{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":5,"startPagecode":1},"records":[{"abstractinfo":"采用3种规格的搅拌头进行2A70-T6铝合金T型接头搅拌摩擦焊试验,并对焊缝横截面进行观察以及焊缝抗拉强度的测试.结果表明:焊缝中前进侧过渡区的金属变化急剧,拉长的晶粒成流线状分布,返回侧过渡区的金属变化缓和,由焊核区细小晶粒缓慢过渡至母材较大的晶粒;随着搅拌针根部直径的增加,焊核的宽度也增大;为了获得无缺陷的接头,焊接速度增大时,顶锻压力必须协同增大,随着顶锻压力的增大,焊缝的抗拉强度也增大.","authors":[{"authorName":"何志宏","id":"a47c78ab-b101-4d4d-863f-a24b6e9f4b48","originalAuthorName":"何志宏"},{"authorName":"李宝华","id":"267c4c58-bfce-4e62-abe5-151670862ca2","originalAuthorName":"李宝华"},{"authorName":"唐众民","id":"47e55cf3-4610-4552-b7c5-0e948a507ae9","originalAuthorName":"唐众民"},{"authorName":"鄢江武","id":"a3cf9207-8ff5-47df-acac-6026c0d4daf0","originalAuthorName":"鄢江武"}],"doi":"33-1331/TJ.20110905.2223.006","fpage":"78","id":"47a728ac-c6c7-4b01-9280-c559b9ce6dd6","issue":"5","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":"79542f1c-5d8c-447d-9831-d563ca6e70c9","keyword":"2A70-T6","originalKeyword":"2A70-T6"},{"id":"ebced43d-aee4-43a5-9034-161db0723120","keyword":"铝合金","originalKeyword":"铝合金"},{"id":"a227a605-2f7e-4ba0-b0c5-53f4816a42d8","keyword":"T型接头","originalKeyword":"T型接头"},{"id":"f6b870ce-d5bd-4f35-8b58-54c5dc7c6236","keyword":"搅拌摩擦焊","originalKeyword":"搅拌摩擦焊"}],"language":"zh","publisherId":"bqclkxygc201105022","title":"2A70-T6铝合金T型接头搅拌摩擦焊工艺研究","volume":"34","year":"2011"},{"abstractinfo":"采用4种规格的搅拌头进行了2A70-T6铝合金T型接头搅拌摩擦焊试验,并对焊缝横截面进行了观察以及焊缝抗拉强度的测试.结果表明:焊缝中前进侧熔合过渡区的金属变形比返回侧剧烈,焊缝断裂往往发生在前进侧;在相同的焊接参数下,单道焊缝的焊核宽度与抗拉强度随着搅拌针直径的增大而增大,但增大的幅度较小,并列焊的焊缝抗拉强度仅为单道焊缝的93%左右;为了获取相同宽度的焊核,采用加粗搅拌针单道焊比并列焊更具有优势.","authors":[{"authorName":"范开春","id":"962a75d8-58c8-4841-b76b-25c09d80b247","originalAuthorName":"范开春"},{"authorName":"郭辉荣","id":"3854d152-e85e-41a8-ba05-c38b2edfbf6a","originalAuthorName":"郭辉荣"},{"authorName":"李宝华","id":"a3ae7d32-9829-4862-a188-afad74b7f3b6","originalAuthorName":"李宝华"},{"authorName":"唐众民","id":"bf4ed267-c079-45eb-8c50-2d4bb1111f1b","originalAuthorName":"唐众民"}],"doi":"","fpage":"81","id":"3941dcb2-49ea-40e6-8f3d-4a6f16c7ee08","issue":"3","journal":{"abbrevTitle":"YHCLGY","coverImgSrc":"journal/img/cover/YHCLGY.jpg","id":"77","issnPpub":"1007-2330","publisherId":"YHCLGY","title":"宇航材料工艺 "},"keywords":[{"id":"ad74f841-007d-4a51-9da7-5466fee5cc75","keyword":"搅拌摩擦焊","originalKeyword":"搅拌摩擦焊"},{"id":"d406f72b-1589-460d-b483-b1688b462ea3","keyword":"T型接头","originalKeyword":"T型接头"},{"id":"965527f5-f7e4-4ca6-a4bf-970f8e20b053","keyword":"单道焊","originalKeyword":"单道焊"},{"id":"ba02885d-6889-4e94-8470-f2cdb71ab8f7","keyword":"焊核","originalKeyword":"焊核"}],"language":"zh","publisherId":"yhclgy201303015","title":"焊接方式对铝合金搅拌摩擦焊T型接头性能的影响","volume":"43","year":"2013"},{"abstractinfo":"在MTS-8032疲劳试验机上对不同时效状态的2A12铝合金进行轴向拉伸应力疲劳试验,并采用扫描电镜(SEM)分析该合金T6和T8时效状态对疲劳断口形貌的影响.结果表明:T6态(495℃×1h水淬,190℃×8h时效)和T8态(495℃×1 h水淬,预拉伸4%后进行190℃×6h时效)2A12合金棒材,轴向疲劳寿命都随着应力水平的提高而降低.在较高应力水平如420 MPa,T6态和T8态合金的轴向疲劳寿命相近,都在105左右.而在较低应力水平如280 MPa,T8态合金的疲劳断裂循环周次较高.预变形处理提高合金300 MPa应力水平以下的疲劳寿命.T6态合金在10 7次的疲劳强度约为220 MPa,而T8态合金在107次的疲劳强度约为280 MPa.4%的预拉伸变形处理可以提高合金的疲劳强度.","authors":[{"authorName":"夏卿坤","id":"57f5d886-95bd-4e67-bb81-a551f64113c8","originalAuthorName":"夏卿坤"},{"authorName":"刘志义","id":"724871ec-8554-4db8-a817-26f4211895a6","originalAuthorName":"刘志义"},{"authorName":"王恒","id":"04cd5906-2df7-448b-8406-a387db6cba61","originalAuthorName":"王恒"},{"authorName":"刘煜","id":"29c9776c-765b-4b84-be64-0ed0f0cdc017","originalAuthorName":"刘煜"},{"authorName":"许晓嫦","id":"2f73a999-02ae-44e9-86af-9b4070e6907d","originalAuthorName":"许晓嫦"}],"doi":"","fpage":"67","id":"4fe73d07-127f-4d8f-94d2-4d6c551f9ca5","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":"d356c5d3-a802-410a-bc78-c94b1305f54d","keyword":"2A12合金","originalKeyword":"2A12合金"},{"id":"bbc225ff-8a2a-4726-adcd-e56649d8862b","keyword":"时效","originalKeyword":"时效"},{"id":"957be1c1-8d80-43b7-9855-e01c2c681a37","keyword":"疲劳性能","originalKeyword":"疲劳性能"},{"id":"85d9a5c1-c29c-490d-888f-b86fdd93cd4d","keyword":"断口","originalKeyword":"断口"}],"language":"zh","publisherId":"jsrclxb201404013","title":"2A12铝合金T6和T8时效态的疲劳性能","volume":"35","year":"2014"},{"abstractinfo":"研究了T6处理工艺(T6工艺430℃,6 h+215℃,2h,空冷)对触变成形Mg2Sip/AM60B复合材料组织及力学性能的影响.结果表明:分布于晶间及晶内的硬脆β-Mg17Al12相在T4处理工艺:(T4工.艺430℃×6h,水冷)后几乎全部溶解,由此引起的β相割裂作用的基本消失,固溶强化作用及成分均匀化等导致抗拉强度和伸长率明显提高,而硬度显著降低;T6处理后,非连续析出β相在晶界及Mg2Si/α-Mg界面处呈现细小弥散分布,引起较强的晶界钉扎作用,导致抗拉强度和硬度显著提高,而伸长率略微降低,此状态下未发现明显的连续析出β相.最佳的T6处理工艺为(430 ℃,6 h+215℃,2h),且抗拉强度和伸长率达到290 MPa和14.37%,相比触变态复合材料分别提高40.10%和83.06%.复合材料的断裂方式由触变态的沿晶断裂依次转变为T4态的混合断裂和T6态的穿晶断裂.","authors":[{"authorName":"程发良","id":"5aed512b-98bd-42ea-9e58-aaebd2649e3f","originalAuthorName":"程发良"},{"authorName":"陈体军","id":"cf4da953-1f4f-40b9-8089-36df2c50da0a","originalAuthorName":"陈体军"},{"authorName":"张素卿","id":"f4326676-9389-47c7-b8f3-84994f282429","originalAuthorName":"张素卿"},{"authorName":"祁晔思","id":"f86784b3-300a-4fa3-b3ba-28ea35a135b6","originalAuthorName":"祁晔思"}],"doi":"","fpage":"32","id":"5afbd6fd-1103-409c-9bb2-78ba418d018b","issue":"10","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":"dc2d08bc-ce6b-489d-aac8-797f7ecc5c1a","keyword":"T6处理","originalKeyword":"T6处理"},{"id":"c8a8a80b-414b-434e-adad-0c2014276faf","keyword":"触变成形","originalKeyword":"触变成形"},{"id":"e3eeeae2-d38f-4c96-8159-5f1b5b8ebfb4","keyword":"复合材料","originalKeyword":"复合材料"},{"id":"5e778389-79f8-4222-aeeb-4cf4a41b3e33","keyword":"显微组织","originalKeyword":"显微组织"},{"id":"23123c5b-f5b9-4e9b-945c-b13f4afc3404","keyword":"力学性能","originalKeyword":"力学性能"}],"language":"zh","publisherId":"jsrclxb201510006","title":"T6处理对触变成形Mg2Sip/AM60B复合材料组织性能的影响","volume":"36","year":"2015"},{"abstractinfo":"研究了应用于6T51发射管中的碳化La2O3-Mo阴极的制作工艺及电子发射性能.在碳化钍钨阴极的实践基础上,实现了La2O3-Mo阴极的碳化以及碳化La2O3-Mo阴极6T51管的去气和阴极激活.对比碳化钍钨阴极,分析了碳化La2O3-Mo阴极6T51管的发射能力,认为目前碳化La2O3-Mo阴极研究的发射最高水平只达到纯钨阴极的下限值,还不具备取代碳化Th-W阴极的条件.由于碳化Th-W阴极6T51管设计时所选取的阴极发射能力富余量相当大,经过严格的去气、老练处理,碳化La2O3-Mo阴极基本上满足6T51测试的要求,但其发射稳定性不好,发射寿命也不容易掌握.论述了La元素消耗或碳化层消耗是两个影响碳化La2O3-Mo阴极发射稳定性的因素.","authors":[{"authorName":"罗丰华","id":"264ceb32-db57-4fea-a8e3-135c8d556f0c","originalAuthorName":"罗丰华"},{"authorName":"周美玲","id":"a95662b2-603c-4987-836e-903c2525389c","originalAuthorName":"周美玲"},{"authorName":"左铁镛","id":"44d1c64a-dbc0-46c6-94cf-1e54109ecb11","originalAuthorName":"左铁镛"}],"doi":"","fpage":"58","id":"17cfddee-da97-46e3-bfa0-e67e012cf6dd","issue":"1","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":"959f0ee7-e09d-4cd4-8cbe-384d04a365fa","keyword":"稀土钼","originalKeyword":"稀土钼"},{"id":"fb1ad2a3-52e0-404a-a6f4-af39e333bd97","keyword":"电子管","originalKeyword":"电子管"},{"id":"eb0e2bbf-c0d9-4df2-9f8a-a017b1bf2f09","keyword":"阴极","originalKeyword":"阴极"}],"language":"zh","publisherId":"xyjsclygc200301014","title":"6T51高频加热电子管用碳化La2O3-Mo阴极的研究","volume":"32","year":"2003"},{"abstractinfo":"对承德建龙钢铁有限公司70 t精炼钢包建立了非稳态数学模型,模拟计算了不同底吹氩工况下的钢包内流场.研究了透气砖的布置方式、吹氩量对熔池混匀时间和“死区”分布的影响,提出优化方案,并用水力学模型实验进行了验证.结果表明,原透气砖的布置方式下,流体流动过程中湍动能损失大,混匀时间长.采用优化后的工艺:单透气砖在钢包底部0.6R偏心布置,吹氩量(标准态下)200 L/min,熔池的混匀时间减少55.8%,“死区”比例减小6%;双透气砖180(°)在钢包底部0.5R或0.6R偏心布置,吹氩量(标准态下)250 L/min,混匀时间分别减少52.7%、62.6%,“死区”比例分别减小21.5%、8.8%.","authors":[{"authorName":"蒋星亮","id":"d2ab9fd2-287b-4c63-801b-541e02dcccfc","originalAuthorName":"蒋星亮"},{"authorName":"倪红卫","id":"3b116c43-a0ab-49c5-8cb2-f0397c71c323","originalAuthorName":"倪红卫"},{"authorName":"王社教","id":"9d0b42f3-f319-4b7c-bf60-60bc125a20a3","originalAuthorName":"王社教"},{"authorName":"张华","id":"079a0d97-b95b-426d-ae52-051018b9a751","originalAuthorName":"张华"},{"authorName":"吴扬","id":"7e62066c-2d99-44d0-a25f-5d14b24059f7","originalAuthorName":"吴扬"},{"authorName":"董文亮","id":"a1286470-700b-4857-936e-4c18465afd3f","originalAuthorName":"董文亮"}],"doi":"","fpage":"103","id":"5cd01335-ea50-4cf1-aa91-28cd0974a23b","issue":"2","journal":{"abbrevTitle":"CLYYJXB","coverImgSrc":"journal/img/cover/CLYYJXB.jpg","id":"17","issnPpub":"1671-6620","publisherId":"CLYYJXB","title":"材料与冶金学报"},"keywords":[{"id":"771994f5-d065-4bbb-9e83-281469a6f938","keyword":"钢包底吹氩","originalKeyword":"钢包底吹氩"},{"id":"710d46e8-93c4-4ef0-90b3-5eddcf2f01e0","keyword":"混匀时间","originalKeyword":"混匀时间"},{"id":"8eec1a3d-836f-41b1-91b6-3244fe888c6e","keyword":"死区","originalKeyword":"死区"},{"id":"84cb8914-4e20-4215-b12b-b2e112543656","keyword":"数值模拟","originalKeyword":"数值模拟"},{"id":"cfbba18e-c8ea-48d9-829c-5bce388b1c43","keyword":"物理模拟","originalKeyword":"物理模拟"}],"language":"zh","publisherId":"clyyjxb201302005","title":"70t钢包底吹氩工艺优化的数理模拟研究","volume":"12","year":"2013"},{"abstractinfo":"结合承德建龙70 t转炉提钒生产实际,以冶金热力学和冶金反应工程学为理论基础,建立了转炉铁水提钒的动力学模型,研究了铁水中组元的选择性氧化规律.结果表明,铁水中Si、Ti在吹炼初期(0~2 min)迅速氧化,吹炼中期(2~4.5 min),V开始大量氧化及C的少量氧化,在吹炼后期(4.5~5 min)发生V、C氧化顺序的逆转,C开始大量氧化.提钒吹炼中后期,始终伴随Mn、Cr的氧化,并与V的氧化争夺氧.模型理论计算结果与实测值吻合良好,验证了模型具有较好的可用性.为促进转炉铁水提钒,铁水中硅的质量分数应控制在0.15% ~0.25%之间,吹炼终点温度控制在低于1 390℃为宜.","authors":[{"authorName":"黄伟军","id":"257f6863-56ec-4a6e-9c0a-69bea8c0edbd","originalAuthorName":"黄伟军"},{"authorName":"陈敏","id":"c717ae77-98fb-489d-b2ef-5546c8003c3a","originalAuthorName":"陈敏"},{"authorName":"温翰","id":"0aaeb7bf-9ec7-4b35-b947-222b6cae6641","originalAuthorName":"温翰"},{"authorName":"徐磊","id":"cb0b4ee3-678b-471b-83f5-cfc6e31aae2c","originalAuthorName":"徐磊"},{"authorName":"黄宣辉","id":"dfe9e29e-2a41-4197-b951-f85ab63feb16","originalAuthorName":"黄宣辉"},{"authorName":"范富华","id":"a9a8a69f-665e-4799-a29c-d8c6e19f7a8a","originalAuthorName":"范富华"}],"doi":"10.14186/j.cnki.1671-6620.2015.01.002","fpage":"3","id":"1d44d3d1-fac0-413b-99bd-3fe432d262b5","issue":"1","journal":{"abbrevTitle":"CLYYJXB","coverImgSrc":"journal/img/cover/CLYYJXB.jpg","id":"17","issnPpub":"1671-6620","publisherId":"CLYYJXB","title":"材料与冶金学报"},"keywords":[{"id":"52f8a7ee-7784-4d53-b707-71fcbd8f8640","keyword":"转炉","originalKeyword":"转炉"},{"id":"febba458-3a5e-41e5-95ae-52569c258f27","keyword":"提钒","originalKeyword":"提钒"},{"id":"e8572b10-3465-4d09-a9b2-58b3a2464478","keyword":"选择性氧化","originalKeyword":"选择性氧化"},{"id":"eaa8613e-b372-45bb-b911-96a883e7339c","keyword":"动力学行为","originalKeyword":"动力学行为"}],"language":"zh","publisherId":"clyyjxb201501002","title":"承钢70t转炉铁水提钒的动力学行为","volume":"14","year":"2015"},{"abstractinfo":"川威集团有限公司为提高钢产量,通过对高效吹氧技术的研究与实践,对现有70 t转炉氧枪进行改进设计,提高供氧强度到4.0 m3/(t·min),同时对新氧枪的冶炼造渣制度和供氧制度进行优化,保证了吹炼稳定,技术经济指标良好,实现年产钢增加20%.","authors":[{"authorName":"吴文东","id":"5e6e5b1a-7723-4f97-8790-a5b2a76826bc","originalAuthorName":"吴文东"},{"authorName":"彭波","id":"cb5ffba5-37fb-461b-8ecd-b659581baf0d","originalAuthorName":"彭波"},{"authorName":"代宾","id":"0d41d222-df52-487a-a7bc-e0917405674f","originalAuthorName":"代宾"},{"authorName":"张其欢","id":"200357c6-fbce-4446-937a-382a71bf4e59","originalAuthorName":"张其欢"}],"doi":"","fpage":"42","id":"d9886348-7062-4abf-9c59-316b27ffcffb","issue":"12","journal":{"abbrevTitle":"GT","coverImgSrc":"journal/img/cover/GT.jpg","id":"27","issnPpub":"0449-749X","publisherId":"GT","title":"钢铁"},"keywords":[{"id":"28071455-2280-47b9-8229-884bb3f3edae","keyword":"转炉","originalKeyword":"转炉"},{"id":"f01913e7-9bef-418f-98ab-d9321954f871","keyword":"高效吹氧","originalKeyword":"高效吹氧"},{"id":"a15a223a-b6d2-4b1d-b5d0-4aca769e0c55","keyword":"氧枪","originalKeyword":"氧枪"}],"language":"zh","publisherId":"gt200712010","title":"川威70 t转炉高效吹氧的研究与实践","volume":"42","year":"2007"},{"abstractinfo":"介绍了淮钢采用二次燃烧氧枪向70 t超高功率电弧炉的一定区域内吹入低纯氧气进行二次燃烧,理论计算了二次燃烧的供氧流量和节能效果,并与已获得的工业效果进行了比较,结果表明了在超高功率电弧炉上应用二次燃烧技术效果较好.","authors":[{"authorName":"韩建淮","id":"140eb0d2-8e47-44b9-b431-1013092dd9ca","originalAuthorName":"韩建淮"}],"doi":"","fpage":"11","id":"d7830019-8af9-4973-9a5b-91f24b207144","issue":"2","journal":{"abbrevTitle":"GT","coverImgSrc":"journal/img/cover/GT.jpg","id":"27","issnPpub":"0449-749X","publisherId":"GT","title":"钢铁"},"keywords":[{"id":"c23edcb7-11d8-4a5e-9098-4fb0fac01385","keyword":"超高功率电弧炉","originalKeyword":"超高功率电弧炉"},{"id":"3c0d22fd-c341-4bff-bf82-5a33027f97a8","keyword":"二次燃烧","originalKeyword":"二次燃烧"}],"language":"zh","publisherId":"gt200202004","title":"二次燃烧技术在70 t超高功率电弧炉上的应用","volume":"37","year":"2002"},{"abstractinfo":"采用动电位极化曲线,电化学阻抗谱(EIS)和中性盐雾试验(NSS)研究了溶液中加入不同含量纳米Y2 O3对铝合金AA6061-T6表面硅烷膜耐蚀性的影响,采用扫描电镜(SEM)对其形貌进行了观察。结果表明,在1,2-双-三乙氧基硅烷(BTSE)溶液中加入少量纳米Y2 O3可提高硅烷膜在3.5% NaCl溶液中的耐蚀性。硅烷膜对铝合金的保护只起到物理屏障作用。纳米Y2 O3抑制了电化学腐蚀过程中阴极还原反应的发生,但不影响电极反应的动力特征。SEM表明在BTSE硅烷溶液中添加10~20 mg/L的纳米Y2 O3后,硅烷膜表面变得平滑致密。","authors":[{"authorName":"张明明","id":"f90ab5b6-25c0-4870-83ae-5279d47cae61","originalAuthorName":"张明明"},{"authorName":"李文超","id":"c75e6970-65c3-42ef-a7e7-ad257c099546","originalAuthorName":"李文超"},{"authorName":"张圣麟","id":"e1c944ac-dafb-4164-a0ad-bed33ef01da4","originalAuthorName":"张圣麟"}],"doi":"","fpage":"1122","id":"f5f5834c-37a4-4fd6-93f3-5b4e46aac09a","issue":"11","journal":{"abbrevTitle":"FSYFH","coverImgSrc":"journal/img/cover/FSYFH.jpg","id":"25","issnPpub":"1005-748X","publisherId":"FSYFH","title":"腐蚀与防护"},"keywords":[{"id":"d62c9a97-c3be-48ad-b4ea-0194f489ad8e","keyword":"硅烷膜","originalKeyword":"硅烷膜"},{"id":"62df68c8-01b6-4aa0-97a2-6708d9ee7c27","keyword":"纳米Y2 O3","originalKeyword":"纳米Y2 O3"},{"id":"40b216e3-8b38-43fc-b927-0380b9101a8e","keyword":"耐蚀性能","originalKeyword":"耐蚀性能"},{"id":"704cecf2-df39-402e-9f93-2801ae9e5f2e","keyword":"铝合金","originalKeyword":"铝合金"}],"language":"zh","publisherId":"fsyfh201411013","title":"AA6061-T6铝合金表面纳米Y2 O3改性硅烷膜的耐蚀性","volume":"","year":"2014"}],"totalpage":9392,"totalrecord":93913}