{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":5,"startPagecode":1},"records":[{"abstractinfo":"纤维的结构是由无定形区域和纳米尺寸的晶粒沿轴向排列宽区域组成的无定形的晶体结构会造成纤维的低模量;相反,较大的晶粒,以六方结构的形式沿纤维的轴向排列会使纤维具有高模量.当结晶度提高时,外力破坏引起的纤维断裂缺陷很容易扩张,导致纤维断裂.由于纤维多孔和存在的缺陷使强度与微观结构的关系变的模糊不清.本文利用X-衍射和显微镜技术,对不同试验得到的力学性能各异BN纤维进行定性和定量测试,得到的结论是纤维的弹性模量是由晶体的取向决定的.","authors":[{"authorName":"张铭霞","id":"8c4b2ba4-743e-4a68-b2a6-0042a3a083e5","originalAuthorName":"张铭霞"},{"authorName":"唐杰","id":"bbdd2f35-2f8e-4150-9436-c6c5601ec57c","originalAuthorName":"唐杰"},{"authorName":"程之强","id":"58bdc004-b83f-4317-994f-a60a2d01c281","originalAuthorName":"程之强"},{"authorName":"张伟儒","id":"4ce3bfc7-4e46-4947-ae0f-21f0b68b996f","originalAuthorName":"张伟儒"},{"authorName":"徐鸿照","id":"919ed4e4-e7a4-45ba-acb2-2c8398c61ad7","originalAuthorName":"徐鸿照"},{"authorName":"于宏林","id":"91fa2a04-0a35-4bdc-9a74-f5848db155fb","originalAuthorName":"于宏林"},{"authorName":"代丽丽","id":"6d56d90d-6536-48bb-828d-569d66ba5b19","originalAuthorName":"代丽丽"}],"doi":"10.3969/j.issn.1001-1625.2007.06.043","fpage":"1249","id":"fef97de7-7c1e-4321-9e33-542836f954c0","issue":"6","journal":{"abbrevTitle":"GSYTB","coverImgSrc":"journal/img/cover/GSYTB.jpg","id":"36","issnPpub":"1001-1625","publisherId":"GSYTB","title":"硅酸盐通报 "},"keywords":[{"id":"94e0faa9-4e41-4715-8881-b2d9b98301cc","keyword":"氮化硼纤维","originalKeyword":"氮化硼纤维"},{"id":"58831df4-e915-4fa7-ba17-2f8c8b9574cc","keyword":"结晶度","originalKeyword":"结晶度"},{"id":"4f3024fe-e599-4973-8aea-ae8b84bd4951","keyword":"晶体取向","originalKeyword":"晶体取向"},{"id":"a43becbd-d55e-419f-9d31-68b577dbfc8a","keyword":"弹性模量","originalKeyword":"弹性模量"},{"id":"728ba562-81c6-4949-9470-e27aa9e700d1","keyword":"抗拉强度","originalKeyword":"抗拉强度"}],"language":"zh","publisherId":"gsytb200706043","title":"BN纤维晶体形态及显微结构的研究","volume":"26","year":"2007"},{"abstractinfo":"单轴、双轴和三轴徐变试验结果表明,混凝土的徐变与弹性变形一样具有空间特性,但根据单轴徐变试验得到的徐变系数、徐变泊松比以及采用叠加原理计算的双轴、三轴应力状态下的空间徐变与实际情况存在较大偏差.为了准确计算不同应力状态下混凝土的空间徐变,介绍了应力组合对有效徐变泊松比的影响和基于有效徐变泊松比的空间徐变计算方法.另外,根据应力张量的弹性力学意义,引入了球应力徐变系数(ψ)m和偏应力徐变系数(ψ) d,提出了基于这两个徐变系数的空间徐变计算统一表达式,可计算混凝土在单轴、双轴和三轴等不同应力状态下的空间徐变.","authors":[{"authorName":"黄胜前","id":"f60fe1e8-6699-466b-8f2e-355e391d0c51","originalAuthorName":"黄胜前"},{"authorName":"杨永清","id":"0ad9d4be-4c12-4497-a380-8dee2c8f7ad4","originalAuthorName":"杨永清"},{"authorName":"李晓斌","id":"a5e2e801-c9b9-4f4b-886e-c62ae3c23491","originalAuthorName":"李晓斌"},{"authorName":"陈志伟","id":"db16b3f8-4c53-49d7-bdd3-f6cf5f2247c1","originalAuthorName":"陈志伟"}],"doi":"","fpage":"150","id":"77593762-6ffb-4cfa-913f-f64ffef2186c","issue":"2","journal":{"abbrevTitle":"CLDB","coverImgSrc":"journal/img/cover/CLDB.jpg","id":"8","issnPpub":"1005-023X","publisherId":"CLDB","title":"材料导报"},"keywords":[{"id":"69ea1570-d4c9-437e-bfef-97ae77a244a5","keyword":"混凝土","originalKeyword":"混凝土"},{"id":"9785e9c9-1fc1-4ea3-ab52-a37f97e3f32e","keyword":"单轴","originalKeyword":"单轴"},{"id":"4565bb1b-db4a-4cd3-8595-f4cc47900c42","keyword":"双轴","originalKeyword":"双轴"},{"id":"59877901-b9f9-4bd2-a23d-bca130502b51","keyword":"三轴","originalKeyword":"三轴"},{"id":"375cdb53-1ae1-4106-b024-cece1bb5b8eb","keyword":"应力状态","originalKeyword":"应力状态"},{"id":"2edbc816-e655-4662-9602-f0529134d608","keyword":"空间徐变","originalKeyword":"空间徐变"}],"language":"zh","publisherId":"cldb201302040","title":"不同应力状态下混凝土空间徐变的统一表达式","volume":"27","year":"2013"},{"abstractinfo":"为了研究不同配合比设计方法对再生混凝土长期徐变性能的影响,分别采用等体积砂浆法(EMV法)与传统替代法配制再生混凝土,测试各组再生混凝土试件28 d龄期后自然条件下持荷的变形值和相同试验条件下试件的收缩值,并计算各组试件的徐变度.研究结果表明:两种方法配制的再生混凝土的收缩徐变变化规律与对比普通混凝土相似.EMV法可有效改善再生混凝土的徐变性能,具有较低的徐变度.","authors":[{"authorName":"霍俊芳","id":"55188923-049c-49aa-994c-ac564398860f","originalAuthorName":"霍俊芳"},{"authorName":"李晨霞","id":"8fa10b03-f76b-44b4-97ee-bd67d36d407e","originalAuthorName":"李晨霞"},{"authorName":"侯永利","id":"83d612b7-ba2c-46d3-a2ff-d86f396b5f77","originalAuthorName":"侯永利"},{"authorName":"吕笑岩","id":"98dd9616-8bca-4990-9631-ef1c189dce52","originalAuthorName":"吕笑岩"}],"doi":"","fpage":"723","id":"dc2db04e-0a0c-4741-830f-d84f7a4e5aee","issue":"2","journal":{"abbrevTitle":"GSYTB","coverImgSrc":"journal/img/cover/GSYTB.jpg","id":"36","issnPpub":"1001-1625","publisherId":"GSYTB","title":"硅酸盐通报 "},"keywords":[{"id":"d2a7136a-24da-4dc5-b2c8-c753ce344b72","keyword":"再生混凝土","originalKeyword":"再生混凝土"},{"id":"46b36702-7dae-4dad-b1c2-1996ae105250","keyword":"配合比","originalKeyword":"配合比"},{"id":"69440820-bb2f-4272-abe2-bdc4edbd2d6e","keyword":"徐变","originalKeyword":"徐变"}],"language":"zh","publisherId":"gsytb201702054","title":"再生粗骨料混凝土收缩徐变性能试验","volume":"36","year":"2017"},{"abstractinfo":"根据小秦岭地区崟鑫、枪马和鸿鑫3个金矿的地质条件和开采状况,从岩石冲击倾向性、井巷附近地质构造条件、地应力状况和井巷布置几方面综合评估了其岩爆的危险程度,并针对岩爆威胁区域提出了相应的防治措施,可为矿山安全生产借鉴.","authors":[{"authorName":"王军强","id":"a8f3a6ec-b6ab-4869-b162-d16d2c2064c4","originalAuthorName":"王军强"}],"doi":"10.3969/j.issn.1001-1277.2007.06.007","fpage":"24","id":"26fb613d-66d4-4a38-a06a-3cf5b8f57192","issue":"6","journal":{"abbrevTitle":"HJ","coverImgSrc":"journal/img/cover/HJ.jpg","id":"44","issnPpub":"1001-1277","publisherId":"HJ","title":"黄金"},"keywords":[{"id":"98db01f9-90da-45cc-875f-f2e55dcf17af","keyword":"岩爆","originalKeyword":"岩爆"},{"id":"678359c6-510e-4365-ae68-8b26f0628167","keyword":"冲击倾向性","originalKeyword":"冲击倾向性"},{"id":"3a9920f7-03cf-4211-80a0-24612b7e1a4e","keyword":"防治","originalKeyword":"防治"},{"id":"b666b8bd-4044-4895-8a67-5dcca895f48c","keyword":"小秦岭地区","originalKeyword":"小秦岭地区"}],"language":"zh","publisherId":"huangj200706007","title":"金矿岩爆危险程度评估与防治措施——以崟鑫、枪马、鸿鑫金矿为例","volume":"28","year":"2007"},{"abstractinfo":"用诱导型等离子体辅助磁控溅射装置在Si(100)表面低温沉积TiN膜, 研究了高密度低能量(≈20 eV)离子束辅照对溅射镀TiN膜生长、结构和性能的影响。结果表明, 高密度低能离子束辅照会改变TiN膜的择优生长方向并使薄膜致密化。即使沉积温度低于150℃, 当入射基板离子数和Ti原子数的比值J/JTi≥4.7时, 沉积的TiN膜仍可具有完全的(200)面择优生长, 薄膜微观结构致密, 硬度达到25GPa, 残余压应力小。","authors":[{"authorName":"李铸国","id":"08aee05a-714a-44bb-98e8-32c4f99981ad","originalAuthorName":"李铸国"},{"authorName":"华学明","id":"8d76b613-f949-4c0f-9465-89f9e91892b5","originalAuthorName":"华学明"},{"authorName":"吴毅雄","id":"b2c36ecf-70c8-49c6-b237-d7f0b0bc8951","originalAuthorName":"吴毅雄"},{"authorName":"三宅正司","id":"b811908a-9d9e-461a-9262-d4ccd3714514","originalAuthorName":"三宅正司"}],"categoryName":"|","doi":"","fpage":"1087","id":"7cb25185-b6bf-4448-a4d7-1a26287ef11c","issue":"10","journal":{"abbrevTitle":"JSXB","coverImgSrc":"journal/img/cover/JSXB.jpg","id":"48","issnPpub":"0412-1961","publisherId":"JSXB","title":"金属学报"},"keywords":[{"id":"6d86438f-8dac-4e97-be00-e4897aa42903","keyword":"TiN薄膜","originalKeyword":"TiN薄膜"},{"id":"11d12750-dfde-4d56-acf0-63d024d82395","keyword":"null","originalKeyword":"null"},{"id":"3f6e8cdf-8680-4250-ae9c-5c524b920198","keyword":"null","originalKeyword":"null"}],"language":"zh","publisherId":"0412-1961_2005_10_16","title":"低能离子束辅照对溅射镀TiN膜生长的影响","volume":"41","year":"2005"},{"abstractinfo":"用诱导型等离子体辅助磁控溅射装置在Si(100)表面低温沉积TiN膜,研究了高密度低能量(≈20 eV)离子束辅照对溅射镀TiN膜生长、结构和性能的影响.结果表明,高密度低能离子束辅照会改变TiN膜的择优生长方向并使薄膜致密化.即使沉积温度低于150℃,当入射基板离子数和Ti原子数的比值Ji/JTi≥4.7时,沉积的TiN膜仍可具有完全的(200)面择优生长,薄膜微观结构致密,硬度达到25 GPa,残余压应力小.","authors":[{"authorName":"李铸国","id":"604d8338-98c9-44d4-8c62-b25eeec96047","originalAuthorName":"李铸国"},{"authorName":"华学明","id":"933e8457-95e5-4d9c-acbc-87200e354f4a","originalAuthorName":"华学明"},{"authorName":"吴毅雄","id":"061c18e5-6f13-4880-b71b-7e89bda6b0ff","originalAuthorName":"吴毅雄"},{"authorName":"三宅正司","id":"76230603-e5a1-4439-8500-8d874193d2e8","originalAuthorName":"三宅正司"}],"doi":"10.3321/j.issn:0412-1961.2005.10.016","fpage":"1087","id":"59b1ea0e-9e77-4286-88c0-6da4c19f28a9","issue":"10","journal":{"abbrevTitle":"JSXB","coverImgSrc":"journal/img/cover/JSXB.jpg","id":"48","issnPpub":"0412-1961","publisherId":"JSXB","title":"金属学报"},"keywords":[{"id":"600889aa-54a1-4c55-8b1c-1ed49473c1a8","keyword":"TiN薄膜","originalKeyword":"TiN薄膜"},{"id":"0d2c2cc7-ceae-4d91-8ad0-f3e7cf156847","keyword":"物理气相沉积(PVD)","originalKeyword":"物理气相沉积(PVD)"},{"id":"eb409f89-f776-4bfb-830e-ee2d21dd332a","keyword":"择优取向","originalKeyword":"择优取向"},{"id":"f5208b24-9223-4b24-a63d-6a79d3f5da5f","keyword":"离子照射","originalKeyword":"离子照射"}],"language":"zh","publisherId":"jsxb200510016","title":"低能离子束辅照对溅射镀TiN膜生长的影响","volume":"41","year":"2005"},{"abstractinfo":"本文阐述了FRP应力松弛、徐变性能的研究意义,总结了国内外关于应力松弛、徐变性能的最新研究成果及主要影响因素,并探讨了应力松弛和徐变的计算模型,对未来FRP长期性能研究的发展方向做出了展望.","authors":[{"authorName":"李建辉","id":"0f7148fe-f8bb-4e01-9827-43b6d6088f0a","originalAuthorName":"李建辉"},{"authorName":"邓宗才","id":"734ba4b3-500c-4ca4-adda-8e3a09ca07b3","originalAuthorName":"邓宗才"}],"doi":"10.3969/j.issn.1003-0999.2007.03.016","fpage":"56","id":"59ffbb46-47b1-40d6-8ec4-254b9f0174de","issue":"3","journal":{"abbrevTitle":"BLGFHCL","coverImgSrc":"journal/img/cover/BLGFHCL.jpg","id":"6","issnPpub":"1003-0999","publisherId":"BLGFHCL","title":"玻璃钢/复合材料"},"keywords":[{"id":"3192da00-b6fe-4a92-a3fe-eec5f9cca17e","keyword":"FRP","originalKeyword":"FRP"},{"id":"812f44d9-8adc-47b7-95e7-d14c2fe8670d","keyword":"应力松弛","originalKeyword":"应力松弛"},{"id":"37e0f5f2-7caa-403e-96f9-d45fa60555ee","keyword":"徐变","originalKeyword":"徐变"},{"id":"290bc541-6726-480e-a116-34147a7cb2ae","keyword":"前景展望","originalKeyword":"前景展望"}],"language":"zh","publisherId":"blgfhcl200703016","title":"FRP应力松弛及徐变性能的研究近展","volume":"","year":"2007"},{"abstractinfo":"采用自制的徐变加载装置,研究了聚乙烯醇(PVA)纤维、双掺粉煤灰和矿渣以及减缩剂对7d等强度混凝土徐变性能的影响规律,结合与混凝土同水胶比浆体的化合结合水量分析了其影响机理.结果表明,混凝土徐变系数发展较快,加载100d左右趋于稳定;减缩剂和双掺矿物掺合料均明显降低了混凝土的徐变系数,以掺减缩剂效果更好,450d值仅为0.63,而PVA纤维增加了徐变系数;混凝土的徐变系数随浆体化学结合水量的增加而降低,60d早龄期浆体水化有利于降低徐变系数,450d后期水化产物对降低混凝土的徐变系数贡献不大.","authors":[{"authorName":"何智海","id":"d284a902-9f8e-4b08-94b4-bb64a0ab69a8","originalAuthorName":"何智海"},{"authorName":"钱春香","id":"0ffbbe0c-1b53-4782-aa33-1b1c9ed2432d","originalAuthorName":"钱春香"},{"authorName":"钱桂枫","id":"dd861e3b-72df-4e42-acc8-72f6bb385518","originalAuthorName":"钱桂枫"},{"authorName":"孟凡利","id":"28a07ab2-0d08-4d67-b8cb-ea65ad3f7ef0","originalAuthorName":"孟凡利"},{"authorName":"程飞","id":"8f433d59-aca3-4626-a346-16e01790b998","originalAuthorName":"程飞"},{"authorName":"高祥彪","id":"6c683991-a878-456e-ae60-df7fce0e0d8b","originalAuthorName":"高祥彪"},{"authorName":"庄园","id":"e0d49cad-3f8c-4544-8501-e47b67079e01","originalAuthorName":"庄园"}],"doi":"","fpage":"925","id":"012cf742-03f0-418f-88af-49ca86d1e1fb","issue":"5","journal":{"abbrevTitle":"GNCL","coverImgSrc":"journal/img/cover/GNCL.jpg","id":"33","issnPpub":"1001-9731","publisherId":"GNCL","title":"功能材料"},"keywords":[{"id":"7473f418-c202-45ab-81d0-4cf29e9e7c03","keyword":"混凝土","originalKeyword":"混凝土"},{"id":"48514fe2-20e4-4695-aa58-fea087a0e070","keyword":"徐变系数","originalKeyword":"徐变系数"},{"id":"67a4ff0b-a8af-44ec-bfc8-714b1c72b529","keyword":"化学结合水","originalKeyword":"化学结合水"},{"id":"76f5dbf7-811b-463b-8ed6-5e1d515f895b","keyword":"减缩剂","originalKeyword":"减缩剂"},{"id":"5ea7a23a-4846-468e-a494-01c352107864","keyword":"等强度","originalKeyword":"等强度"}],"language":"zh","publisherId":"gncl201105040","title":"等强度下混凝土组分对徐变性能的影响","volume":"42","year":"2011"},{"abstractinfo":"采用自制的徐变加载装置,研究了萘系减水剂、聚羧酸减水剂以缓凝组分、减缩组分对等配合比混凝土徐变的影响规律,结合与混凝土同水灰比浆体非可蒸发水含量及混凝土内部相对湿度演化分析了其影响机理.结果表明,相比萘系减水剂,聚羧酸减水剂能显著降低混凝土的徐变,其中以早强型聚羧酸减水剂的效果最好;减缩剂对混凝土的徐变有降低作用,缓凝组分的掺入对徐变有不利影响;聚羧酸减水剂和减缩组分能通过降低混凝土内部水分传输和向外界扩散来降低徐变;早强型聚羧酸使浆体具有较多的水化产物数量,对强度的增加和徐变的降低有一定好处,缓凝组分的掺入会延缓水化并减少总水化产物数量,降低强度,使徐变增加.","authors":[{"authorName":"张异","id":"ec340278-6d5c-4d88-99cd-92ecbf14c3de","originalAuthorName":"张异"},{"authorName":"钱春香","id":"6283fdf1-1e86-4f95-9386-4d0f621336ae","originalAuthorName":"钱春香"},{"authorName":"赵飞","id":"c2e62026-2cba-44d3-98ea-9c4bea97ae2a","originalAuthorName":"赵飞"},{"authorName":"何智海","id":"e248a81c-0309-4f52-948c-33abefbfdb85","originalAuthorName":"何智海"},{"authorName":"曲军","id":"8ffd3667-7c95-4a2c-8af6-473aba7b8aff","originalAuthorName":"曲军"},{"authorName":"郭景强","id":"bb3a41ea-646e-4070-aa43-4fa748725358","originalAuthorName":"郭景强"},{"authorName":"","id":"3c1baf9a-ef00-41d3-b730-79569cbe2b9d","originalAuthorName":""}],"doi":"10.3969/j.issn.1001-9731.2013.11.023","fpage":"1620","id":"d3cbe933-f50e-4134-ab17-c124ad18db38","issue":"11","journal":{"abbrevTitle":"GNCL","coverImgSrc":"journal/img/cover/GNCL.jpg","id":"33","issnPpub":"1001-9731","publisherId":"GNCL","title":"功能材料"},"keywords":[{"id":"66f7978b-6b62-4021-bd9e-469d3dde0824","keyword":"混凝土","originalKeyword":"混凝土"},{"id":"8efa8ed0-5daf-4d86-9e26-abc4fd830f4e","keyword":"徐变度","originalKeyword":"徐变度"},{"id":"5996e33b-b097-423e-8fbf-add299a3954b","keyword":"减水剂","originalKeyword":"减水剂"},{"id":"3c88bb35-44c2-4bbe-8948-58e858e7e724","keyword":"非可蒸发水","originalKeyword":"非可蒸发水"},{"id":"4ea69246-a041-47fb-b0a5-bf55e9a04887","keyword":"内部相对湿度","originalKeyword":"内部相对湿度"}],"language":"zh","publisherId":"gncl201311023","title":"化学外加剂对混凝土徐变的影响规律研究","volume":"44","year":"2013"},{"abstractinfo":"通过试验研究了两种水胶比分别为0.33和0.29的自密实轻骨料混凝土(SCLC)的收缩和徐变性能,并与配合比相似的普通骨料自密实混凝土(SCC)及强度接近的普通混凝土(NC)进行了对比.收缩试验从入模后12小时开始,至6个月结束.徐变试验从3天龄期开始加载,分别在7、14、21和28天继续加载,而后保持荷载不变,加载应力水平分别为相应龄期抗压强度的40%,持续12个月.试验结果表明:SCLC前10天龄期有轻微膨胀现象,收缩变形始终小于SCC和NC,至6个月时三者有接近趋势;360天龄期SCLC徐变系数低于NC和SCC,而徐变度则高于NC,与SCC相当;随着抗压强度的提高,SCLC的徐变系数和徐变度均有减小趋势.","authors":[{"authorName":"张云国","id":"16e79cf1-667b-4b63-a680-75192c67cc80","originalAuthorName":"张云国"},{"authorName":"吴熙","id":"c8c8bf57-2238-443e-b3f5-68faf6c95c1b","originalAuthorName":"吴熙"},{"authorName":"毕巧巍","id":"53a4a4dd-eb63-489e-b93b-8843a640a8f5","originalAuthorName":"毕巧巍"}],"doi":"","fpage":"35","id":"f5a97de4-eadc-4787-a106-96421737e788","issue":"1","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":"7fcb2640-af48-423a-90f7-db4c26ea5cbf","keyword":"自密实轻骨料混凝土","originalKeyword":"自密实轻骨料混凝土"},{"id":"6fdf6cba-8402-435d-b3d3-27f13262dac3","keyword":"工作性能","originalKeyword":"工作性能"},{"id":"c59a40e0-7825-4deb-bf9b-3546aa6dcfc0","keyword":"收缩","originalKeyword":"收缩"},{"id":"18387f5c-7d51-4bb5-ac2c-1d89f8063394","keyword":"徐变","originalKeyword":"徐变"}],"language":"zh","publisherId":"clkxygc201401008","title":"自密实轻骨料混凝土的收缩与徐变性能","volume":"32","year":"2014"}],"totalpage":10,"totalrecord":95}