{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":5,"startPagecode":1},"records":[{"abstractinfo":"利用分离式Hopkinson压杆,对Ti5Mo5V2Cr3A1(TB10)合金帽形试样进行强迫剪切试验,通过光学显微镜和透射电镜技术观测其绝热剪切带(ASB)内的微观结构.结果表明,ASB的过渡区由具有高位错密度的沿着剪切方向的宽度为20~50nm的拉长组织构成;剪切带中心由大量低位错密度(相对ASB的过渡区)的直径为50~100nm的晶粒组成,具有典型的再结晶组织特征.在绝热剪切变形过程中ASB内的平均绝热温升约为784℃.ASB内发生了动态再结晶,晶粒尺寸为50~100nm.","authors":[{"authorName":"尤振平","id":"c776083c-23da-4c91-a885-a847ac5409ce","originalAuthorName":"尤振平"},{"authorName":"米绪军","id":"e8584e80-b5be-4ebd-8882-36f5543b5da5","originalAuthorName":"米绪军"},{"authorName":"惠松晓","id":"2c73f32d-c3d1-4313-8440-cf494bc11802","originalAuthorName":"惠松晓"},{"authorName":"叶文君","id":"b74e2b5c-0096-482b-8ce2-b477f2af07b1","originalAuthorName":"叶文君"},{"authorName":"于洋","id":"769f4623-e006-4964-9c35-6bf76d05dbf8","originalAuthorName":"于洋"},{"authorName":"王博","id":"4e799f6d-4092-4bea-9113-ff6d9b08e602","originalAuthorName":"王博"}],"doi":"","fpage":"1184","id":"cff5f273-d896-4ac0-913e-2dd061873d5f","issue":"7","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":"b06cd177-2408-4ab2-82e5-c55d2e47cd92","keyword":"Ti5Mo5V2Cr3Al合金","originalKeyword":"Ti5Mo5V2Cr3Al合金"},{"id":"d9ef15e7-03c5-4d49-a5b8-3a10379066d4","keyword":"绝热剪切带","originalKeyword":"绝热剪切带"},{"id":"3d7ab19d-3fbc-4e2f-947e-f77a1068d419","keyword":"动态再结晶","originalKeyword":"动态再结晶"}],"language":"zh","publisherId":"xyjsclygc201107012","title":"Ti5Mo5V2Cr3Al合金中绝热剪切带的微观结构演化","volume":"40","year":"2011"},{"abstractinfo":"对Ti-5Mo-5V-2Cr-3Al钛合金进行等温压缩实验,变形温度范围为923~1123 K,应变速率为0.001~1 s<'-1>.分析表明该材料的流变应力对温度与应变速率敏感:当变形温度为923~1023 K时,流变应力曲线呈现动态再结晶曲线特征;当变形温度为1073 K时,低应变速率(0.001s<'-1>)的流变应力曲线呈现动态再结晶曲线特征,高应变速率(0.01-1 s<'-1>)的流变应力曲线呈现动态回复曲线特征;当变形温度为1123 K时,流变应力曲线呈现动态回复曲线特征;峰值流变应力随着变形温度的升高而下降,且下降速率随着温度升高而降低;峰值流变应力随着应变速率的升高而升高,升高速率在923~1023 K范围内随着应变速率升高而下降,在1073 K时随着应变速率升高而升高,在1123 K时随着应变速率升高无变化.Ti-5Mo-5V-2Cr-3Al钛合金在等温压缩变形时的流变行为可用包含Zener-Holomon参数的Arrhenius本构方程描述,变形激活能为789 kJ·mol-1.","authors":[{"authorName":"魏衍广","id":"3df9ac5d-21c9-4ff7-9697-4228c5b9b041","originalAuthorName":"魏衍广"},{"authorName":"陶海明","id":"9a44d9f6-44a4-458b-b497-92b1c16cdf8d","originalAuthorName":"陶海明"},{"authorName":"陈海珊","id":"57026a1c-1f54-4b27-8b0b-beaecbf2aef0","originalAuthorName":"陈海珊"}],"doi":"10.3969/j.issn.0258-7076.2011.03.006","fpage":"349","id":"3c0108e8-37f8-4af3-8f53-fba67592ddff","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":"eb52246d-1483-4788-8930-de8de2313e94","keyword":"Ti-5Mo-5V-2Cr-3Al合金","originalKeyword":"Ti-5Mo-5V-2Cr-3Al合金"},{"id":"97cd8806-bab7-49f2-8483-2aa7554bf313","keyword":"等温压缩","originalKeyword":"等温压缩"},{"id":"ecadeec7-e2a7-4c42-9678-3ed41c607b3a","keyword":"本构方程","originalKeyword":"本构方程"},{"id":"52d35726-d742-4003-8d49-6c48eb2ee03d","keyword":"流变应力","originalKeyword":"流变应力"}],"language":"zh","publisherId":"xyjs201103006","title":"Ti-5Mo-5V-2Cr-3Al合金热压缩变形行为","volume":"35","year":"2011"},{"abstractinfo":"利用Hopkinson压杆装置,对Ti-5Mo-5V-2Cr-3Al(TB10)合金进行高速冲击试验,采用光学显微镜和透射电镜分析其冲击相变与动态承载能力之间的关系.结果表明,显微组织状态对绝热剪切敏感性影响很大,在相同的应变率条件下,两相区固溶+时效、两相区固溶+双重时效的TB10合金试样中均可观察到明显的绝热剪切带,且沿剪切带出现裂纹,而固溶态试样晶粒的变形是均匀的,没有观察到绝热剪切带,其相对于前两者是绝热剪切不敏感的组织状态;在高应变率下,固溶态的试样发生了应力诱发马氏体相变;β晶粒内的条状析出物是由β相和斜方马氏体相混合构成;由于相变过程吸收了一部分冲击功,使试样未能达到材料本构失稳形成ASB的临界条件,且应力诱发马氏体相具有较高的均匀伸长率及较大的塑性,使试样仍具有较好的动态承载能力.","authors":[{"authorName":"尤振平","id":"85e7436d-2b19-4f82-b5f1-59228af67c0b","originalAuthorName":"尤振平"},{"authorName":"惠松骁","id":"d60c8d48-6e43-48bc-965d-920a0ee8202d","originalAuthorName":"惠松骁"},{"authorName":"叶文君","id":"3189e2e4-ebe8-4464-a860-092a0a0b7741","originalAuthorName":"叶文君"},{"authorName":"于洋","id":"769a3ac1-8bb1-4006-a3ca-dedaea3da737","originalAuthorName":"于洋"},{"authorName":"刘睿","id":"3f41a331-d4ef-431c-a375-e0defc70f97d","originalAuthorName":"刘睿"}],"doi":"10.3969/j.issn.0258-7076.2011.02.008","fpage":"202","id":"4055fbff-bd22-4cbd-96c7-fa436aa1ca80","issue":"2","journal":{"abbrevTitle":"XYJS","coverImgSrc":"journal/img/cover/XYJS.jpg","id":"67","issnPpub":"0258-7076","publisherId":"XYJS","title":"稀有金属"},"keywords":[{"id":"6720360b-b378-49fb-a79a-9d14df25a4c5","keyword":"Ti-5Mo-5V-2Cr-3Al合金","originalKeyword":"Ti-5Mo-5V-2Cr-3Al合金"},{"id":"46d575ae-90e6-4b56-94c9-3cfcf89b9bc4","keyword":"冲击相变","originalKeyword":"冲击相变"},{"id":"15d9b8c9-b86e-465c-bf26-94302c2ce768","keyword":"绝热剪切带","originalKeyword":"绝热剪切带"}],"language":"zh","publisherId":"xyjs201102008","title":"Ti-5Mo-5V-2Cr-3Al合金中的冲击相变研究","volume":"35","year":"2011"},{"abstractinfo":"通过扫描电镜(SEM), 光学显微镜(OM)和X射线衍射分析(XRD)等对Ti-5Mo-5V-2Cr-3Al(Ti5523)合金棒材分别经固溶和固溶时效处理后得到的微观组织, 相含量等进行分析, 结合性能数据, 分析了微观结构对性能的影响. 研究发现, 在720 ℃固溶0.5 h, 并在540 ℃时效6 h后, 获得了一种规则的垂直有序排列的亚结构, 这种网篮状亚结构起到了组织细化的作用, 从而使得断面收缩率非常高. 研究还发现, 两相区固溶后析出相不仅使得强度提高, 对材料的塑性也有贡献.","authors":[{"authorName":"余明","id":"22c24ee9-eaab-4c18-b66e-c169cee68714","originalAuthorName":"余明"},{"authorName":"林晨光","id":"f8c695c0-1482-4a0e-9d6f-a569af6f0fa8","originalAuthorName":"林晨光"},{"authorName":"李丰","id":"606ec518-fa71-4e41-8bc9-468ad5d71191","originalAuthorName":"李丰"},{"authorName":"崔雪飞","id":"a0494b6a-59a7-4a7a-85fa-766093890f69","originalAuthorName":"崔雪飞"},{"authorName":"罗峥","id":"ce7604b9-3a9c-483c-8ef5-76da75a722c0","originalAuthorName":"罗峥"}],"doi":"10.3969/j.issn.0258-7076.2009.06.005","fpage":"790","id":"d32e1fdf-91dc-43f7-a134-066b0f4d6e00","issue":"6","journal":{"abbrevTitle":"XYJS","coverImgSrc":"journal/img/cover/XYJS.jpg","id":"67","issnPpub":"0258-7076","publisherId":"XYJS","title":"稀有金属"},"keywords":[{"id":"4c3c169a-7951-427a-b14c-f0f74dd82d79","keyword":"Ti-5Mo-5V-2Cr-3Al合金","originalKeyword":"Ti-5Mo-5V-2Cr-3Al合金"},{"id":"e937ddc9-a711-44bf-b6e8-fa593e284edd","keyword":"网篮状亚机构","originalKeyword":"网篮状亚机构"},{"id":"d3a5594e-adc7-4154-b60e-0dedb5e98e89","keyword":"析出相","originalKeyword":"析出相"}],"language":"zh","publisherId":"xyjs200906005","title":"热处理对Ti-5Mo-5V-2Cr-3Al合金组织和性能影响","volume":"33","year":"2009"},{"abstractinfo":"研究了固溶温度对Ti-5Mo-5V-2Cr-3Al钛合金棒材显微组织和力学性能的影响.结果表明,钛合金固溶处理温度在相变点以下,空冷后,显微组织由β相、初生α相以及次生α相组成.随着固溶温度的升高,显微组织中β相晶粒尺寸增大,晶界α相厚度减小,产生有序化现象,而次生α相数量和尺寸减小,使合金的强度降低,塑性升高,但固溶处理温度为800℃时,网状晶界α相使塑性迅速下降;当固溶处理温度在相变点以上,Ti-5Mo-5V-2Cr-3Al钛合金重新形核并长大,随着固溶温度的升高,β相晶粒尺寸增大,初生α相数量减少,强度和塑性都下降,过冷β相晶粒发生应力诱发马氏体现象.","authors":[{"authorName":"罗峥","id":"db394b0b-b2da-4555-9cd0-4f0de16d5245","originalAuthorName":"罗峥"},{"authorName":"魏衍广","id":"6cdd07de-bc66-4b0b-abe3-33a6b7646e0f","originalAuthorName":"魏衍广"},{"authorName":"陶海明","id":"50155f7f-73b8-41d6-ab97-ef6889f3d0ac","originalAuthorName":"陶海明"},{"authorName":"崔雪飞","id":"973d9294-2d2b-4413-a8b6-931501eb6026","originalAuthorName":"崔雪飞"},{"authorName":"陈海珊","id":"f25eedd9-de79-4eb9-b059-08445c4617ae","originalAuthorName":"陈海珊"}],"doi":"","fpage":"117","id":"8c176eba-18da-4b6a-8511-7df70e77e002","issue":"14","journal":{"abbrevTitle":"CLDB","coverImgSrc":"journal/img/cover/CLDB.jpg","id":"8","issnPpub":"1005-023X","publisherId":"CLDB","title":"材料导报"},"keywords":[{"id":"658a9810-b211-40cb-b37f-6de55aacbb79","keyword":"Ti-5Mo-5V-2Cr-3Al钛合金","originalKeyword":"Ti-5Mo-5V-2Cr-3Al钛合金"},{"id":"1d07d332-7d14-467f-8f93-1706e3a8e3d4","keyword":"固溶温度","originalKeyword":"固溶温度"},{"id":"6c4dab12-16ba-4d64-a2c3-b8073159de2c","keyword":"力学性能","originalKeyword":"力学性能"},{"id":"d62e9b8e-4c9d-4f90-b1ab-f7fdf8fc9ca0","keyword":"显微组织","originalKeyword":"显微组织"}],"language":"zh","publisherId":"cldb201414028","title":"固溶温度对Ti-5Mo-5V-2Cr-3Al钛合金棒材组织和性能的影响规律","volume":"28","year":"2014"},{"abstractinfo":"对 Ti5Mo5V3Al-xCr(x =1.0,3.0,5.0,7.0,9.0)系五种合金分别在β单相区和(α+β)两相区固溶水淬处理后,并在同一温度时效后的力学性能进行了研究。结果显示,合金的时效强度随着 Cr 含量的增加而逐渐降低。通过扫描电镜 SEM及 XRD 等分析测试手段,详细分析了五种合金在各种热处理状态下的相构成、相含量、尺寸形貌等微观因素与宏观力学性能之间的相关性。结果显示 Ti5Mo5V3Al-xCr 系合金的强化机制主要是由于时效过程中析出的αs 相造成的。合金强化效应的大小则与αs 相析出的数量、尺寸密切相关,而αs 相的析出机制主要由 Cr元素在合金系中的含量所决定。","authors":[{"authorName":"崔雪飞","id":"71c7727b-19de-4bde-818e-678fae79ba48","originalAuthorName":"崔雪飞"},{"authorName":"米绪军","id":"f7aaed22-2e2b-4c63-82fc-6eea50972f28","originalAuthorName":"米绪军"},{"authorName":"惠松骁","id":"7ad5b0f7-7a63-4d8a-9ab6-50c73c8df708","originalAuthorName":"惠松骁"},{"authorName":"魏衍广","id":"09b03eb1-9390-463f-a775-1c823f9af83d","originalAuthorName":"魏衍广"},{"authorName":"罗峥","id":"f18cc007-b3eb-4a46-9164-e5f11832d88a","originalAuthorName":"罗峥"},{"authorName":"陶海明","id":"18fa27b0-32b0-4da5-b505-71cc9bb8fb82","originalAuthorName":"陶海明"}],"doi":"10.11868/j.issn.1005-5053.2015.3.007","fpage":"35","id":"a365bc73-347e-42cc-b6db-ddcfdbd7706f","issue":"3","journal":{"abbrevTitle":"HKCLXB","coverImgSrc":"journal/img/cover/HKCLXB.jpg","id":"41","issnPpub":"1005-5053","publisherId":"HKCLXB","title":"航空材料学报"},"keywords":[{"id":"46d71aaf-d7ad-41d5-89dc-13c6ec956410","keyword":"Ti5Mo5V3Al-xCr 合金","originalKeyword":"Ti5Mo5V3Al-xCr 合金"},{"id":"489bcc59-2a90-4094-837e-853bbc1f82ac","keyword":"Cr 含量","originalKeyword":"Cr 含量"},{"id":"d341faf7-6c5a-4a29-8e71-75752ea06539","keyword":"αs 相","originalKeyword":"αs 相"},{"id":"a184900d-fc5b-4b7e-adf2-97cd791198eb","keyword":"时效强化","originalKeyword":"时效强化"}],"language":"zh","publisherId":"hkclxb201503007","title":"Cr 含量对 Ti5Mo5V3Al-xCr 系合金组织及性能的影响","volume":"","year":"2015"},{"abstractinfo":"对Ti-5Mo-5V-2Cr-3Al钛合金φ10 mm棒材在不同固溶温度下的拉伸断口形貌进行分析,并研究了断口形貌特征与力学性能之间的关系.结果表明:按照传统的断口分析理论,该材料随着固溶温度升高,塑性下降,实际测试结果却相反,该材料随固溶温度升高,在相变点以下,塑性缓慢升高,在相变点以上,塑性迅速增大;该材料的力学性能受相组成的影响,β相含量越多,棒材的拉伸强度降低,塑性升高;当固溶温度为840℃时,该材料拉伸后的宏观断口平直光滑,微观断口出现尺寸约40μm形状规则的β晶粒,棒材塑性较好.","authors":[{"authorName":"陶海明","id":"eb0488bb-9901-45a0-b197-71f9dae3c472","originalAuthorName":"陶海明"},{"authorName":"魏衍广","id":"b83b89ec-172a-4db7-99dd-b172b1ffd70b","originalAuthorName":"魏衍广"},{"authorName":"罗峥","id":"12af4ffa-c33c-4027-98c3-36bc204ea03b","originalAuthorName":"罗峥"},{"authorName":"崔雪飞","id":"8c61d111-57da-4a8f-9935-8f32faada29a","originalAuthorName":"崔雪飞"},{"authorName":"陈海珊","id":"1ee7985a-79a2-45fa-aa10-745b9296b090","originalAuthorName":"陈海珊"}],"doi":"10.11896/j.issn.1005-023X.2014.16.026","fpage":"107","id":"8ed4b52d-4ba7-47c7-8580-bfb179dda660","issue":"16","journal":{"abbrevTitle":"CLDB","coverImgSrc":"journal/img/cover/CLDB.jpg","id":"8","issnPpub":"1005-023X","publisherId":"CLDB","title":"材料导报"},"keywords":[{"id":"4bf996fe-21a2-4e89-8a8e-d24f6f601048","keyword":"Ti-5Mo-5V-2Cr-3Al钛合金","originalKeyword":"Ti-5Mo-5V-2Cr-3Al钛合金"},{"id":"21a55c6a-a851-4d83-ad38-f39d97692bac","keyword":"断口分析理论","originalKeyword":"断口分析理论"},{"id":"18ee4354-a85c-43c2-9b4f-2194578d9f46","keyword":"固溶温度","originalKeyword":"固溶温度"},{"id":"ee73719c-8674-44d1-874b-2f463b0dc511","keyword":"塑性","originalKeyword":"塑性"}],"language":"zh","publisherId":"cldb201416026","title":"固溶态Ti-5Mo-5V-2Cr-3Al钛合金断口形貌与塑性关系分析","volume":"28","year":"2014"},{"abstractinfo":"对Ti-5Mo-5V-2Cr-3Al钛合金φ10/mm棒材在不同固溶时效制度下的拉伸断口形貌与显微组织进行分析,研究了断口形貌及显微组织对力学性能的影响.结果表明:当材料在相变点以下固溶时效时,随着固溶温度的升高,初生α相减少,β晶粒长大,断口纤维区变小,韧窝变大变浅,断裂方式由韧性断裂逐渐变成准解理断裂,强度升高,塑性降低;当材料在相变点以上固溶时效时,β晶粒重新形核长大,初生α相已经消失,断口由棱角清晰的小晶面颗粒组成,断裂方式为典型的沿晶脆性断裂,强度在1500/MPa以上,断后伸长率为2%.","authors":[{"authorName":"魏衍广","id":"1b3cda02-d2b9-42ce-b947-a39f0ef4e0c4","originalAuthorName":"魏衍广"},{"authorName":"陶海明","id":"e2a930a3-85be-48b2-b9aa-c3dc7bf0a32a","originalAuthorName":"陶海明"},{"authorName":"罗峥","id":"0f8a6256-4403-463e-b636-0063d76714c1","originalAuthorName":"罗峥"},{"authorName":"崔雪飞","id":"95a6018e-8df8-4634-9766-8f42858bd975","originalAuthorName":"崔雪飞"}],"doi":"10.11868/j.issn.1005-5053.2014.5.001","fpage":"1","id":"63446797-a913-4aa1-8ddb-7dad4a6ebded","issue":"5","journal":{"abbrevTitle":"HKCLXB","coverImgSrc":"journal/img/cover/HKCLXB.jpg","id":"41","issnPpub":"1005-5053","publisherId":"HKCLXB","title":"航空材料学报"},"keywords":[{"id":"16a3ee03-8007-428e-95c3-335573e00967","keyword":"Ti-5Mo-5V-2Cr-3Al钛合金","originalKeyword":"Ti-5Mo-5V-2Cr-3Al钛合金"},{"id":"52ae2848-8c84-466c-8a98-b00523ae126d","keyword":"固溶时效","originalKeyword":"固溶时效"},{"id":"0b4edda4-56aa-4120-b2f6-56533e793351","keyword":"断口形貌","originalKeyword":"断口形貌"},{"id":"ff6b39fd-7105-4a3a-8b76-5780caff66c2","keyword":"显微组织","originalKeyword":"显微组织"},{"id":"83e162d1-c707-49ce-90ae-aabc9235577a","keyword":"力学性能","originalKeyword":"力学性能"},{"id":"054b893f-4413-4761-b080-71063677cc4d","keyword":"沿晶断裂","originalKeyword":"沿晶断裂"}],"language":"zh","publisherId":"hkclxb201405001","title":"固溶温度对Ti-5Mo-5V-2Cr-3Al钛合金组织性能的影响","volume":"34","year":"2014"},{"abstractinfo":"采用恒应变速率热压缩模拟实验,对Ti-5Mo-5V-1Cr-3A1(简称1Cr)钛合金在应变速率0.001~1s-1、变形温度700~900℃条件下进行研究.结果表明:该材料的流变应力对温度与应变速率敏感:当变形温度为700~800℃时,真应力-真应变曲线呈现动态再结晶单曲线特征;当变形温度为800~900℃时,低应变速率(0.001s-1)的真应力-真应变曲线呈现动态再结晶多应力峰值曲线特征,高应变速率(0.01~1s-1)的真应力-真应变曲线呈现动态回复曲线特征.1Cr合金在等温压缩变形时的流变行为可用包含Zener-Holomon参数的Arrhenius本构方程描述,变形激活能为456kJ/mol.金相结果显示,材料在热压缩过程中的动态行为除了与变形速率、变形温度等加工参数相关外,也与相应温度、变形速率下材料的组织及相结构有关.合金在低应变速率0.001s 1下热压缩变形时,在接近相变点或以上(800~900℃)温度范围内仍呈现动态再结晶行为,这与材料在此阶段发生的应变诱发马氏体转变密切相关,马氏体相的析出促使材料在热变形时趋向于发生动态再结晶行为.","authors":[{"authorName":"崔雪飞","id":"9d2b78a5-9825-4ec8-a85d-55a47f40745b","originalAuthorName":"崔雪飞"},{"authorName":"米绪军","id":"1dda3d5d-4b07-4b0e-891d-b5d85db1245f","originalAuthorName":"米绪军"},{"authorName":"林晨光","id":"364992b8-4e4f-4724-b62e-bd72cc2a32d7","originalAuthorName":"林晨光"},{"authorName":"惠松晓","id":"8b0d8297-fe6f-4b5b-9c76-9ae1f1e8910a","originalAuthorName":"惠松晓"},{"authorName":"魏衍广","id":"6344b93e-1a82-41b8-ac22-cb73c5dd2731","originalAuthorName":"魏衍广"},{"authorName":"陶海明","id":"9a1d599b-8f32-40de-a521-93ea5bde5074","originalAuthorName":"陶海明"}],"doi":"10.3969/j.issn.1001-4381.2013.12.004","fpage":"19","id":"46447c8f-4146-468a-93f8-140053f4ec40","issue":"12","journal":{"abbrevTitle":"CLGC","coverImgSrc":"journal/img/cover/CLGC.jpg","id":"9","issnPpub":"1001-4381","publisherId":"CLGC","title":"材料工程"},"keywords":[{"id":"e84c9c1a-144b-4fca-ba17-60fbf48fdd28","keyword":"Ti-5Mo-5V-1Cr-3Al合金","originalKeyword":"Ti-5Mo-5V-1Cr-3Al合金"},{"id":"934cbca8-d98c-40ea-844d-cecef9e60d64","keyword":"等温压缩","originalKeyword":"等温压缩"},{"id":"0656503e-86cc-4759-a756-9736b94bcdc4","keyword":"流变应力","originalKeyword":"流变应力"},{"id":"548e99bb-8e1d-421c-bb16-5b876be82f8e","keyword":"应变诱发马氏体","originalKeyword":"应变诱发马氏体"}],"language":"zh","publisherId":"clgc201312004","title":"Ti-5Mo-5V-1Cr-3Al合金的热压缩变形行为研究","volume":"","year":"2013"},{"abstractinfo":"研究了时效对一种新型Ti-6Cr-5Mo-5V-4A1合金组织与拉伸性能的影响.研究发现:Ti-6Cr-5Mo-5V-4Al合金在α/β固溶+时效处理后的典型组织为:β晶粒破碎,β晶界处有连续和不连续的项链状初生α相,晶内有不连续的球状初生α相及时效过程析出纵横交错的细小次生α相β固溶+时效处理后的典型组织为:等轴β晶粒晶界处析出沿着一定取向的次生α相薄片层,晶内弥散分布着平行交错的细小次生α相;在本研究范围内,Ti-6cr-5Mo-5V-4Al合会经β固溶+时效处理时,低于500℃长时间时效和高于500℃短时间时效有利于合金强化; α/β同溶+时效处理时,低于500℃短时间时效有利于合金强化,而高于500℃或长时间都会降低合金强度,而且在较宽的时效温度范围内都具有良好的强度塑性匹配.Ti-6Cr-5Mo-5V-4AI合金在低于500℃时效时α/β固溶+时效处理的合金其强度塑性匹配优于β固溶+时效处理处理后的合金;高于500℃时效时,β固溶+时效处理后合金其强度塑性匹配优于α/β固溶+时效处理后的合金.另外,短时间直接时效可以迅速提高合金强度,同时保持优良的塑性,500℃/2 h直接时效后强度达1590 MPa,同时保持6.5%的延伸率.","authors":[{"authorName":"李成林","id":"bbf1e8c0-c606-4077-a9d1-4f555df511b5","originalAuthorName":"李成林"},{"authorName":"惠松骁","id":"22a9ce43-ede9-445e-ac03-4b004196a5f5","originalAuthorName":"惠松骁"},{"authorName":"叶文君","id":"59ffaa0c-e383-459e-90f4-06a3a55030b0","originalAuthorName":"叶文君"},{"authorName":"王韦琪","id":"47c72f64-c1cf-441a-b3e6-2e1da2f98721","originalAuthorName":"王韦琪"},{"authorName":"羊玉兰","id":"bb7d7bc4-a801-4638-97ad-2bbaf3cf8953","originalAuthorName":"羊玉兰"},{"authorName":"张平辉","id":"58085454-efea-4388-ae4e-43bb55dd0a05","originalAuthorName":"张平辉"}],"doi":"10.3969/j.issn.0258-7076.2011.01.005","fpage":"22","id":"fb37182f-9c42-466d-83e8-60e4b8a6f3e2","issue":"1","journal":{"abbrevTitle":"XYJS","coverImgSrc":"journal/img/cover/XYJS.jpg","id":"67","issnPpub":"0258-7076","publisherId":"XYJS","title":"稀有金属"},"keywords":[{"id":"6f66f67a-ceab-4553-a75f-66caa3960583","keyword":"亚稳β钛合金","originalKeyword":"亚稳β钛合金"},{"id":"6ef7c8fb-8351-461f-be76-76dfc3e5c903","keyword":"时效","originalKeyword":"时效"},{"id":"c9d371fb-e455-4bb0-bed6-4bf1b6fb27dc","keyword":"显微组织","originalKeyword":"显微组织"},{"id":"27708456-2384-4fb5-8a40-eef9467bbc08","keyword":"拉伸性能","originalKeyword":"拉伸性能"}],"language":"zh","publisherId":"xyjs201101005","title":"时效对Ti-6Cr-5Mo-5V-4Al合金组织与拉伸性能的影响","volume":"35","year":"2011"}],"totalpage":13921,"totalrecord":139209}