{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":5,"startPagecode":1},"records":[{"abstractinfo":"采用熔体发泡法制备孔隙率为71.5％～72.5％、<span style=\"color:red\">孔</span>结构均匀的<span style=\"color:red\">泡沫</span>Al-0.2Sc-0.17Zr<span style=\"color:red\">合金</span>.研究<span style=\"color:red\">孔</span>结构、胞壁显微组织以及等时时效对其压缩和能量吸收性能的影响.结果表明:<span style=\"color:red\">泡沫</span>铝<span style=\"color:red\">合金</span>的孔径约为1 mm,且多呈球形;初生Al3(Zr,Sc,Ti)相具有层状结构,并能有效细化铸态晶粒(尺寸约为50 μm);在200～600℃等时时效过程中,<span style=\"color:red\">泡沫</span>试样的压缩性能随温度升高呈现先升高后下降的趋势,325和425℃分别表现出由Sc和Zr大量析出引起的两个明显的强度峰;时效至425℃时试样的能量吸收能力最强,且峰值时效附近的试样能量吸收效率均得到提高,高效阶段更持久;TEM实验结果表明,时效至425℃的<span style=\"color:red\">泡沫</span><span style=\"color:red\">铝</span>试样胞壁中弥散分布着大量细小、共格的二次Al3(Sc,Zr,Ti)相,其粒径为2.1～4.1 nm,这些相能钉扎晶界,阻碍位错运动,因而能显著提高<span style=\"color:red\">泡沫</span>铝<span style=\"color:red\">合金</span>的压缩和吸能性能.","authors":[{"authorName":"黄粒","id":"d9963342-2200-4de8-838f-04cdf724b43c","originalAuthorName":"黄粒"},{"authorName":"杨东辉","id":"feb621f3-2d26-4e13-8404-1da58fe5659a","originalAuthorName":"杨东辉"},{"authorName":"王辉","id":"be6c6a85-17f4-436d-b1ab-4ad03bfc962b","originalAuthorName":"王辉"},{"authorName":"叶丰","id":"62e62fb7-c6ea-4f20-a4e3-d3bfddc1223c","originalAuthorName":"叶丰"},{"authorName":"吕昭平","id":"9a373e6e-2c33-4379-8f1d-8f64ce81eb08","originalAuthorName":"吕昭平"}],"doi":"","fpage":"718","id":"3895e169-a9d3-4a6c-8aa7-0f551f61f354","issue":"3","journal":{"abbrevTitle":"ZGYSJSXB","coverImgSrc":"journal/img/cover/ZGYSJSXB.jpg","id":"88","issnPpub":"1004-0609","publisherId":"ZGYSJSXB","title":"中国有色金属学报"},"keywords":[{"id":"04500c80-9daf-46b3-9040-ce7b63335ab3","keyword":"<span style=\"color:red\">闭</span><span style=\"color:red\">孔</span><span style=\"color:red\">泡沫</span><span style=\"color:red\">铝</span><span style=\"color:red\">钪</span><span style=\"color:red\">锆</span><span style=\"color:red\">合金</span>","originalKeyword":"闭孔泡沫铝钪锆合金"},{"id":"a0f31ace-0ce9-4a5f-b727-314723ec1b61","keyword":"压缩性能","originalKeyword":"压缩性能"},{"id":"64191ac5-cd97-4b4b-a3f0-9060c1b8dab3","keyword":"能量吸收","originalKeyword":"能量吸收"},{"id":"b7b8e078-a911-4106-8068-42443f3a4380","keyword":"纳米析出相","originalKeyword":"纳米析出相"}],"language":"zh","publisherId":"zgysjsxb201403018","title":"<span style=\"color:red\">钪</span><span style=\"color:red\">锆</span>元素增强<span style=\"color:red\">泡沫</span>铝<span style=\"color:red\">合金</span>的压缩和吸能性能","volume":"24","year":"2014"},{"abstractinfo":"采用隔热测试仪研究了<span style=\"color:red\">闭</span><span style=\"color:red\">孔</span><span style=\"color:red\">泡沫</span>纯<span style=\"color:red\">铝</span>的孔隙率和孔径对其导热性能(导热系数)的影响.结果表明:<span style=\"color:red\">闭</span><span style=\"color:red\">孔</span><span style=\"color:red\">泡沫</span>纯<span style=\"color:red\">铝</span>的导热性能受传导、对流、辐射三者的综合影响;孔隙率为83.2%～91.0%的<span style=\"color:red\">闭</span><span style=\"color:red\">孔</span><span style=\"color:red\">泡沫</span>纯<span style=\"color:red\">铝</span>的导热系数随孔隙率的增大而减小,而孔径对导热系数的影响没有一定规律;在孔隙率为83.2%～91.0%、孔径为2.5～5.3 mm时,<span style=\"color:red\">闭</span><span style=\"color:red\">孔</span><span style=\"color:red\">泡沫</span>纯<span style=\"color:red\">铝</span>的导热系数在常温下为0.297～0.752 W/(m·K).","authors":[{"authorName":"赵军","id":"b2e97bd2-bc5b-450d-a28a-fbc4a7a43f9e","originalAuthorName":"赵军"},{"authorName":"何德坪","id":"4f256b48-e126-4451-946f-2f551d0b2c1d","originalAuthorName":"何德坪"}],"doi":"","fpage":"76","id":"6dd13d4e-4fb2-4d6e-88f8-995606de6c75","issue":"4","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":"6f9653e3-428a-45a2-8f4c-09fab6fe4534","keyword":"<span style=\"color:red\">闭</span><span style=\"color:red\">孔</span><span style=\"color:red\">泡沫</span>纯<span style=\"color:red\">铝</span>","originalKeyword":"闭孔泡沫纯铝"},{"id":"8e480b86-8747-455c-b1d0-9c4032960258","keyword":"孔隙率","originalKeyword":"孔隙率"},{"id":"377fd474-4624-4759-b7fa-5d6986aaf477","keyword":"导热系数","originalKeyword":"导热系数"}],"language":"zh","publisherId":"jxgccl200904021","title":"<span style=\"color:red\">闭</span><span style=\"color:red\">孔</span><span style=\"color:red\">泡沫</span>纯<span style=\"color:red\">铝</span>的导热性能","volume":"33","year":"2009"},{"abstractinfo":"研究了孔隙率、孔径对<span style=\"color:red\">闭</span><span style=\"color:red\">孔</span><span style=\"color:red\">泡沫</span>铝<span style=\"color:red\">合金</span>导热系数的影响, 结果表明, 由于大量孔洞的存在, <span style=\"color:red\">泡沫</span><span style=\"color:red\">铝</span>的导热系数较同样成分的实体材料显著下降, 低孔隙率在0.80—0.93范围内, 约为实体材料的1/30—1/80, 随着孔隙率的增加, 导热系数迅速下降, 而孔径对<span style=\"color:red\">泡沫</span><span style=\"color:red\">铝</span>的导热系数影响不大. 从串-并联和并-串联模型出发, 分析了孔隙率对<span style=\"color:red\">泡沫</span>铝材料导热系数的影响, 发现串-并联模型更能反映<span style=\"color:red\">泡沫</span><span style=\"color:red\">铝</span>的结构特征, 与实测值吻合更好.","authors":[{"authorName":"凤仪","id":"bf885a68-d966-4b0b-99d7-bf7c5316b7be","originalAuthorName":"凤仪"},{"authorName":"朱震刚","id":"9597d551-89d1-471a-a874-da31001914cd","originalAuthorName":"朱震刚"},{"authorName":"陶宁","id":"3ffc7d72-8857-4d00-9f6f-002aa052eac1","originalAuthorName":"陶宁"},{"authorName":"郑海务","id":"10fcd436-c621-44a7-8b58-0ee4540c68c7","originalAuthorName":"郑海务"}],"categoryName":"|","doi":"","fpage":"817","id":"0e90fc17-bd56-438a-a09d-f49e71c90c9a","issue":"8","journal":{"abbrevTitle":"JSXB","coverImgSrc":"journal/img/cover/JSXB.jpg","id":"48","issnPpub":"0412-1961","publisherId":"JSXB","title":"金属学报"},"keywords":[{"id":"48532361-ccc8-4622-a738-35f98cec6334","keyword":"<span style=\"color:red\">闭</span><span style=\"color:red\">孔</span><span style=\"color:red\">泡沫</span><span style=\"color:red\">铝</span>","originalKeyword":"闭孔泡沫铝"},{"id":"74d24475-a3b0-4fac-83c5-cb70e2077ab9","keyword":"null","originalKeyword":"null"},{"id":"ea883478-70ba-4942-92e0-451f311e2814","keyword":"null","originalKeyword":"null"},{"id":"a9c93326-2a8b-45a9-9118-5f936225b237","keyword":"null","originalKeyword":"null"}],"language":"zh","publisherId":"0412-1961_2003_8_10","title":"<span style=\"color:red\">闭</span><span style=\"color:red\">孔</span><span style=\"color:red\">泡沫</span><span style=\"color:red\">铝</span>的导热性能","volume":"39","year":"2003"},{"abstractinfo":"研究了孔隙率、孔径对<span style=\"color:red\">闭</span><span style=\"color:red\">孔</span><span style=\"color:red\">泡沫</span>铝<span style=\"color:red\">合金</span>导热系数的影响,结果表明,由于大量孔洞的存在,<span style=\"color:red\">泡沫</span><span style=\"color:red\">铝</span>的导热系数较同样成分的实体材料显著下降,孔隙率在0.80-0.93范围内,约为实体材料的1/30-1/80,随着孔隙率的增加,导热系数迅速下降,而孔径对<span style=\"color:red\">泡沫</span><span style=\"color:red\">铝</span>的导热系数影响不大.从串-并联和并-串联模型出发,分析了孔隙率对<span style=\"color:red\">泡沫</span>铝材料导热系数的影响,发现串-并联模型更能反映<span style=\"color:red\">泡沫</span><span style=\"color:red\">铝</span>的结构特征,与实测值吻合更好.","authors":[{"authorName":"凤仪","id":"de63b74f-fcfa-40ed-985b-fa0cbcd1c589","originalAuthorName":"凤仪"},{"authorName":"朱震刚","id":"61c37dca-abad-4e20-a9c2-30bbe03c0a08","originalAuthorName":"朱震刚"},{"authorName":"陶宁","id":"298e2853-ae64-458b-af57-ed60d67221ad","originalAuthorName":"陶宁"},{"authorName":"郑海务","id":"392f16d6-6d3d-47d3-8d5b-a86eade6b786","originalAuthorName":"郑海务"}],"doi":"10.3321/j.issn:0412-1961.2003.08.008","fpage":"817","id":"9431b41f-814b-48c3-b5d6-c3007acd4d6b","issue":"8","journal":{"abbrevTitle":"JSXB","coverImgSrc":"journal/img/cover/JSXB.jpg","id":"48","issnPpub":"0412-1961","publisherId":"JSXB","title":"金属学报"},"keywords":[{"id":"4ac1f16d-fad5-423f-9450-6cd201cad1f2","keyword":"<span style=\"color:red\">闭</span><span style=\"color:red\">孔</span><span style=\"color:red\">泡沫</span><span style=\"color:red\">铝</span>","originalKeyword":"闭孔泡沫铝"},{"id":"f48c9db7-8aad-4391-9de5-7f86a6b315f4","keyword":"孔隙率","originalKeyword":"孔隙率"},{"id":"6c7f4066-2a7e-4a6c-aef0-f0f91a9b9dca","keyword":"孔径","originalKeyword":"孔径"},{"id":"b42f362a-0285-4247-a126-59b7cf55f060","keyword":"导热系数","originalKeyword":"导热系数"}],"language":"zh","publisherId":"jsxb200308008","title":"<span style=\"color:red\">闭</span><span style=\"color:red\">孔</span><span style=\"color:red\">泡沫</span><span style=\"color:red\">铝</span>的导热性能","volume":"39","year":"2003"},{"abstractinfo":"利用熔体转移发泡法制备了不同孔隙率(厚度为20mm;孔隙率为67.3%、77.7%、80.4%、88.1%)和不同厚度(孔隙率为79.6%;厚度为10、20、30mm)的<span style=\"color:red\">铝</span>硅<span style=\"color:red\">闭</span><span style=\"color:red\">孔</span><span style=\"color:red\">泡沫</span><span style=\"color:red\">铝</span>,运用驻波管法对其吸声性能进行了测试,对其吸声机理进行了探讨,并研究了孔隙率和厚度对其吸声性能的影响.结果发现<span style=\"color:red\">铝</span>硅<span style=\"color:red\">闭</span><span style=\"color:red\">孔</span><span style=\"color:red\">泡沫</span><span style=\"color:red\">铝</span>吸声主要是通过亥姆霍兹共振器结构和<span style=\"color:red\">孔</span>壁微孔以及裂缝等来实现的,实验进一步证实其吸声特性曲线符合理论分析.<span style=\"color:red\">铝</span>硅<span style=\"color:red\">闭</span><span style=\"color:red\">孔</span><span style=\"color:red\">泡沫</span><span style=\"color:red\">铝</span>的孔隙率和厚度对其吸声性能影响显著:吸声系数随孔隙率增加而增加;低频阶段,吸声系数随厚度的增加而提高,高频阶段,吸声系数随厚度的增加而下降,但整体吸声性能受厚度影响较小,只出现了最高吸声系数向低频处迁移的现象.","authors":[{"authorName":"尉海军","id":"c1433a51-26f1-45e3-abea-ed5ebcadf1b1","originalAuthorName":"尉海军"},{"authorName":"姚广春","id":"cc3374e0-1629-4fbd-aae8-a0e920842a75","originalAuthorName":"姚广春"},{"authorName":"王晓林","id":"280061a8-6adc-43d2-9023-2680439bd489","originalAuthorName":"王晓林"},{"authorName":"李兵","id":"225ad5cd-cd0e-42aa-ac17-d973000db05c","originalAuthorName":"李兵"},{"authorName":"尹铫","id":"0d980992-e1a7-4e97-97ee-9b4f791289dc","originalAuthorName":"尹铫"}],"doi":"","fpage":"2014","id":"d5e9bdd7-9d85-4b7b-987b-cdb7dc8f0fe8","issue":"12","journal":{"abbrevTitle":"GNCL","coverImgSrc":"journal/img/cover/GNCL.jpg","id":"33","issnPpub":"1001-9731","publisherId":"GNCL","title":"功能材料"},"keywords":[{"id":"42ec78a6-9f86-4f70-815f-3fd7f7f1d1de","keyword":"<span style=\"color:red\">铝</span>硅<span style=\"color:red\">闭</span><span style=\"color:red\">孔</span><span style=\"color:red\">泡沫</span><span style=\"color:red\">铝</span>","originalKeyword":"铝硅闭孔泡沫铝"},{"id":"3b75150f-cf3b-4a19-b87d-52acd62590d6","keyword":"吸声系数","originalKeyword":"吸声系数"},{"id":"33e60a3c-400b-4ac7-bad1-9ee046abc6b9","keyword":"机制","originalKeyword":"机制"},{"id":"54fcd4c1-c077-494c-8436-dc8e80807764","keyword":"孔隙率","originalKeyword":"孔隙率"},{"id":"50db7aa8-939b-4935-b928-5764bf8d0eee","keyword":"厚度","originalKeyword":"厚度"}],"language":"zh","publisherId":"gncl200612047","title":"<span style=\"color:red\">铝</span>硅<span style=\"color:red\">闭</span><span style=\"color:red\">孔</span><span style=\"color:red\">泡沫</span><span style=\"color:red\">铝</span>吸声性能研究","volume":"37","year":"2006"},{"abstractinfo":"采用粉末冶金发泡法制备<span style=\"color:red\">闭</span><span style=\"color:red\">孔</span><span style=\"color:red\">泡沫</span><span style=\"color:red\">铝</span>,通过调整发泡剂含量、发泡温度、粘度、保温时间等手段,制得孔隙率可调、孔洞分布均匀的<span style=\"color:red\">闭</span><span style=\"color:red\">孔</span><span style=\"color:red\">泡沫</span><span style=\"color:red\">铝</span>样品,并测试了不同孔隙率、孔径<span style=\"color:red\">泡沫</span><span style=\"color:red\">铝</span>样品的电磁屏蔽性能.结果表明:在100～1000MHz内,<span style=\"color:red\">泡沫</span><span style=\"color:red\">铝</span>的电磁屏蔽性能在60～90dB之间,且随着孔隙率、孔径的增加,<span style=\"color:red\">泡沫</span><span style=\"color:red\">铝</span>的电磁屏蔽性能下降.","authors":[{"authorName":"凤仪","id":"b5721c8d-5a34-47e8-abac-52361a146592","originalAuthorName":"凤仪"},{"authorName":"郑海务","id":"d7160da3-b99a-415f-92cf-c6e286457a0a","originalAuthorName":"郑海务"},{"authorName":"朱震刚","id":"0158b73d-de6c-438e-b639-8104300e2961","originalAuthorName":"朱震刚"},{"authorName":"陶宁","id":"227a29f0-31b9-48f6-b11f-ab37e4d49b5b","originalAuthorName":"陶宁"}],"doi":"","fpage":"33","id":"8a388c65-5d45-4166-bdd5-66882fa7e6a4","issue":"1","journal":{"abbrevTitle":"ZGYSJSXB","coverImgSrc":"journal/img/cover/ZGYSJSXB.jpg","id":"88","issnPpub":"1004-0609","publisherId":"ZGYSJSXB","title":"中国有色金属学报"},"keywords":[{"id":"d0e46ab9-2cb6-4d71-aebe-cfc23ae9860d","keyword":"<span style=\"color:red\">闭</span><span style=\"color:red\">孔</span><span style=\"color:red\">泡沫</span><span style=\"color:red\">铝</span>","originalKeyword":"闭孔泡沫铝"},{"id":"c6c79e82-9bba-475e-a7c0-2d8d1fbc5ef8","keyword":"孔隙率","originalKeyword":"孔隙率"},{"id":"791b8ceb-cb75-4b02-b92e-d0080502d893","keyword":"孔径","originalKeyword":"孔径"},{"id":"64498f50-d815-4558-b5db-e2df9dbf6741","keyword":"电磁屏蔽","originalKeyword":"电磁屏蔽"}],"language":"zh","publisherId":"zgysjsxb200401007","title":"<span style=\"color:red\">闭</span><span style=\"color:red\">孔</span><span style=\"color:red\">泡沫</span><span style=\"color:red\">铝</span>的电磁屏蔽性能","volume":"14","year":"2004"},{"abstractinfo":"通过调整发泡温度、发泡时间、保温时间及发泡剂加入量等工艺参数,采用熔体转移发泡法制备不同相对密度的Al-Si<span style=\"color:red\">闭</span><span style=\"color:red\">孔</span><span style=\"color:red\">泡沫</span><span style=\"color:red\">铝</span>.利用法蓝同轴法测试其电磁屏蔽效能,结果表明:电磁干扰频率对其屏蔽效能影响显著,在10～600MHz范围内,随着干扰频率增加,<span style=\"color:red\">泡沫</span><span style=\"color:red\">铝</span>屏蔽效能逐渐减小,在600～1500MHz范围内,屏蔽效能又逐渐增加.相对密度对Al-Si<span style=\"color:red\">闭</span><span style=\"color:red\">孔</span><span style=\"color:red\">泡沫</span>铝材料电磁屏蔽效能影响不大.","authors":[{"authorName":"尉海军","id":"e823dc23-4d15-48c1-9196-30e1cf6e2500","originalAuthorName":"尉海军"},{"authorName":"姚广春","id":"84639a04-da64-4128-920d-720e6af0600b","originalAuthorName":"姚广春"},{"authorName":"李兵","id":"ec6fade5-f14d-417d-926b-bbb4d15e0e64","originalAuthorName":"李兵"},{"authorName":"郭志强","id":"9436560c-416a-4031-8726-9c237872eafd","originalAuthorName":"郭志强"}],"doi":"","fpage":"1239","id":"98704f8f-d0bb-4877-9015-540b1097776d","issue":"8","journal":{"abbrevTitle":"GNCL","coverImgSrc":"journal/img/cover/GNCL.jpg","id":"33","issnPpub":"1001-9731","publisherId":"GNCL","title":"功能材料"},"keywords":[{"id":"c75fd79e-0d9f-46c1-be63-09a949f1e8ab","keyword":"Al-Si","originalKeyword":"Al-Si"},{"id":"bc0e4f92-35ad-480b-9448-3cb118198120","keyword":"<span style=\"color:red\">闭</span><span style=\"color:red\">孔</span><span style=\"color:red\">泡沫</span><span style=\"color:red\">铝</span>","originalKeyword":"闭孔泡沫铝"},{"id":"94c67769-5fcb-4a05-a402-c82235c29c50","keyword":"电磁屏蔽","originalKeyword":"电磁屏蔽"},{"id":"c37e0eec-dbb3-4efe-9010-ef2587eb233e","keyword":"相对密度","originalKeyword":"相对密度"}],"language":"zh","publisherId":"gncl200608017","title":"Al-Si<span style=\"color:red\">闭</span><span style=\"color:red\">孔</span><span style=\"color:red\">泡沫</span><span style=\"color:red\">铝</span>电磁屏蔽效能","volume":"37","year":"2006"},{"abstractinfo":"研究了开<span style=\"color:red\">孔</span>与<span style=\"color:red\">闭</span><span style=\"color:red\">孔</span>两种胞<span style=\"color:red\">孔</span>结构不同、制备工艺不同的<span style=\"color:red\">泡沫</span><span style=\"color:red\">铝</span>在准静态压缩载荷下的压缩响应曲线.结果表明:开<span style=\"color:red\">孔</span>与<span style=\"color:red\">闭</span><span style=\"color:red\">孔</span><span style=\"color:red\">泡沫</span><span style=\"color:red\">铝</span>压缩应力-应变曲线均具有多孔<span style=\"color:red\">泡沫</span>材料明显的三阶段特征,即线弹性段、塑性屈服平台段及致密段;相对密度对<span style=\"color:red\">泡沫</span>材料的力学性能(如杨氏模量、屈服强度)有很大影响;在准静态下,开<span style=\"color:red\">孔</span><span style=\"color:red\">泡沫</span><span style=\"color:red\">铝</span>表现出明显的应变率效应,而<span style=\"color:red\">闭</span><span style=\"color:red\">孔</span><span style=\"color:red\">泡沫</span>不如开<span style=\"color:red\">孔</span>敏感;<span style=\"color:red\">泡沫</span>铝材料表现为弱的各向异性;胞<span style=\"color:red\">孔</span>结构影响两种<span style=\"color:red\">泡沫</span>材料的压缩响应曲线.","authors":[{"authorName":"康颖安","id":"6b54a161-8c6e-46f0-90d1-6e4c0ec28ec7","originalAuthorName":"康颖安"},{"authorName":"张俊彦","id":"875db3ee-73c3-47b3-9b54-d260ee70f37f","originalAuthorName":"张俊彦"}],"doi":"","fpage":"122","id":"582142e7-7bfd-47a0-af74-3f75a544a49d","issue":"8","journal":{"abbrevTitle":"CLDB","coverImgSrc":"journal/img/cover/CLDB.jpg","id":"8","issnPpub":"1005-023X","publisherId":"CLDB","title":"材料导报"},"keywords":[{"id":"233d080b-4d10-4863-a706-25d945533724","keyword":"<span style=\"color:red\">泡沫</span><span style=\"color:red\">铝</span>","originalKeyword":"泡沫铝"},{"id":"6b10c0a5-12d4-47fa-990d-34b3ab06c766","keyword":"压缩应力-应变曲线","originalKeyword":"压缩应力-应变曲线"},{"id":"01cf1ee1-5789-4b53-9266-c1a27dac7f13","keyword":"相对密度","originalKeyword":"相对密度"},{"id":"0577e971-5462-42eb-b92a-8af5f8f34ead","keyword":"应变率效应","originalKeyword":"应变率效应"}],"language":"zh","publisherId":"cldb200508035","title":"开<span style=\"color:red\">孔</span>与<span style=\"color:red\">闭</span><span style=\"color:red\">孔</span><span style=\"color:red\">泡沫</span><span style=\"color:red\">铝</span>的压缩力学行为","volume":"19","year":"2005"},{"abstractinfo":"研究了球形<span style=\"color:red\">孔</span>通<span style=\"color:red\">孔</span>和<span style=\"color:red\">闭</span><span style=\"color:red\">孔</span><span style=\"color:red\">泡沫</span>铝<span style=\"color:red\">合金</span>在1 MHz～10 MHz的超声衰减性能.结果表明:<span style=\"color:red\">泡沫</span>铝<span style=\"color:red\">合金</span>的超声衰减性能决定于其<span style=\"color:red\">孔</span>结构;通<span style=\"color:red\">孔</span><span style=\"color:red\">泡沫</span>铝<span style=\"color:red\">合金</span>的超声衰减系数α随着孔径d的减小、孔隙率Ps减小和比表面积Sv的增加而增大;<span style=\"color:red\">闭</span><span style=\"color:red\">孔</span><span style=\"color:red\">泡沫</span>铝<span style=\"color:red\">合金</span>的超声衰减系数α随孔径d的减小、孔隙率Ps的增加和比表面积Sv的增加而增大;当孔径d、孔隙率Ps相近时,<span style=\"color:red\">闭</span><span style=\"color:red\">孔</span><span style=\"color:red\">泡沫</span>铝<span style=\"color:red\">合金</span>的超声衰减性能优于通<span style=\"color:red\">孔</span><span style=\"color:red\">泡沫</span>铝<span style=\"color:red\">合金</span>;在1 MHz～10 MHz二者是具有良好阻尼性能的轻质材料.其衰减机制为在弹性范围内超声应力波在具有大量孔隙界面的<span style=\"color:red\">泡沫</span>铝<span style=\"color:red\">合金</span>中的衰减.","authors":[],"doi":"","fpage":"407","id":"400d739d-04fd-4894-8a97-b1d0a0031024","issue":"4","journal":{"abbrevTitle":"CLYJXB","coverImgSrc":"journal/img/cover/CLYJXB.jpg","id":"16","issnPpub":"1005-3093","publisherId":"CLYJXB","title":"材料研究学报"},"keywords":[{"id":"c7cbb5be-e58e-4e68-88d9-95db2e2adffc","keyword":"金属材料","originalKeyword":"金属材料"},{"id":"d5f5205f-4950-48ec-a969-cc5a057e4b77","keyword":"通<span style=\"color:red\">孔</span><span style=\"color:red\">泡沫</span>铝<span style=\"color:red\">合金</span>","originalKeyword":"通孔泡沫铝合金"},{"id":"19daa4ef-c905-4a40-bf13-c86a9a1f26d9","keyword":"<span style=\"color:red\">闭</span><span style=\"color:red\">孔</span><span style=\"color:red\">泡沫</span>铝<span style=\"color:red\">合金</span>","originalKeyword":"闭孔泡沫铝合金"},{"id":"3a9061f4-a185-487d-b7ed-b08ac9611e3e","keyword":"超声衰减系数","originalKeyword":"超声衰减系数"},{"id":"528076e7-a16a-485a-9fc7-d4f5457cce03","keyword":"孔径","originalKeyword":"孔径"},{"id":"5babc273-e934-4ee4-8cc4-d013962ff16d","keyword":"孔隙率","originalKeyword":"孔隙率"},{"id":"29294db4-83df-4830-a3dd-1aa128afa88f","keyword":"比表面积","originalKeyword":"比表面积"}],"language":"zh","publisherId":"clyjxb200504012","title":"球形<span style=\"color:red\">孔</span>通<span style=\"color:red\">孔</span>和<span style=\"color:red\">闭</span><span style=\"color:red\">孔</span><span style=\"color:red\">泡沫</span>铝<span style=\"color:red\">合金</span>的超声衰减性能","volume":"19","year":"2005"},{"abstractinfo":"在<span style=\"color:red\">闭</span><span style=\"color:red\">孔</span><span style=\"color:red\">泡沫</span><span style=\"color:red\">铝</span>准静态压缩试验的基础上,研究了其力学性能、吸能能力.结果表明,<span style=\"color:red\">闭</span><span style=\"color:red\">孔</span><span style=\"color:red\">泡沫</span><span style=\"color:red\">铝</span>单轴压缩应力-应变曲线呈现践弹性变形、塑性平台阶段、致密化阶段3个阶段；<span style=\"color:red\">闭</span><span style=\"color:red\">孔</span><span style=\"color:red\">泡沫</span><span style=\"color:red\">铝</span>的压缩强度、吸能能力随着孔隙率的增大而减小,采用Gibson-Ashby模型分析<span style=\"color:red\">闭</span><span style=\"color:red\">孔</span><span style=\"color:red\">泡沫</span><span style=\"color:red\">铝</span>的压缩屈服强度,吻合良好.并在此基础上,提出可供工程使用的多孔<span style=\"color:red\">泡沫</span>金属吸能能力公式,为其工程应用提供理论支持.","authors":[{"authorName":"王展光","id":"1b07aa86-d485-4957-ac3b-5592682be435","originalAuthorName":"王展光"},{"authorName":"蔡萍","id":"86280f71-7a3a-4b83-b9ce-60a52d397e58","originalAuthorName":"蔡萍"},{"authorName":"应建中","id":"6cdcc991-0d4d-407f-ab9d-bb2b98e5dc8a","originalAuthorName":"应建中"},{"authorName":"李书琴","id":"45be1055-774c-4fac-a91e-ee60c09e21cd","originalAuthorName":"李书琴"},{"authorName":"胡景智","id":"19864b8c-1470-42fb-9e46-c100c6446595","originalAuthorName":"胡景智"}],"doi":"","fpage":"152","id":"335c6826-a0c4-4bde-860e-9dc6b4fb7937","issue":"10","journal":{"abbrevTitle":"CLDB","coverImgSrc":"journal/img/cover/CLDB.jpg","id":"8","issnPpub":"1005-023X","publisherId":"CLDB","title":"材料导报"},"keywords":[{"id":"80726091-62df-400e-b541-f539899a17df","keyword":"<span style=\"color:red\">闭</span><span style=\"color:red\">孔</span><span style=\"color:red\">泡沫</span><span style=\"color:red\">铝</span>","originalKeyword":"闭孔泡沫铝"},{"id":"a4db9e96-8adb-47e4-b815-809b77a0c665","keyword":"压缩力学性能","originalKeyword":"压缩力学性能"},{"id":"f2551b53-e72e-4f81-809e-ab3e55bb1eaf","keyword":"吸能能力","originalKeyword":"吸能能力"}],"language":"zh","publisherId":"cldb201210042","title":"<span style=\"color:red\">闭</span><span style=\"color:red\">孔</span><span style=\"color:red\">泡沫</span><span style=\"color:red\">铝</span>的力学性能和吸能能力","volume":"26","year":"2012"}],"totalpage":5296,"totalrecord":52954}