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科技成果转化
新型Ag-MAX电接触材料的制备与应用
技术领域:新材料及其应用
知识产权证书号:
发布时间:2019-10-25
项目阶段:研制
知识产权情况:专利
单位名称:东南大学
合作
项目负责人:孙正明
合作方式:其他
转让价格:面议
单位介绍
法人代表:张广军
单位规模:501-3000人
单位性质:科研院所
联系方式
联系电话:025-83792678
联系邮箱:ttc@seu-ttc.com
单位地址:南京市玄武区太平北路138号
研制出了多种具有自主知识产权的Ag-MAX电接触材料,具有优异的力学性能、电学性能、热学性能及耐电弧侵蚀性能,具体研究成果包括:
(1)新型Ag-MAX电接触材料开发:制备了高纯Ti3AlC2,Ti3SiC2,Ti2SnC和Ti2AlC等MAX相粉末材料,研制了Ag-MAX电触头复合材料,在400V、100A条件下(GB14048.4-2010)承受6000次电弧侵蚀后,质量损失约为5[[[[[%]]]]](与铜基座一体),样品仍然保持完整性,综合性能与商用Ag-CdO相当、优于Ag-C产品;
(2)Ag-MAX电接触材料制备技术研究:研究了无压烧结和放电等离子烧结(SPS)制备Ag-MAX电触头复合材料,利用等通道转角挤压优化制备了Ag-MAX复合材料,通过MAX相表面包覆碳层的工艺调控Ag/MAX界面反应与结合,最终改善了材料致密度、微观组织、力学性能及耐电弧侵蚀性能,最佳条件下制备的样品在承受6000次电弧侵蚀后质量损失小于3[[[[[%]]]]];
(3)Ag与MAX相高温润湿性研究:研究了Ag与Ti3AlC2、Ti3SiC2等MAX相块体材料的高温润湿行为,发现二者具有反应/非反应性两种不同润湿性,同时通过导电、导热和耐电弧侵蚀等性能表征,结果表明非反应性润湿体系具有更加优良的耐电弧侵蚀性能,对于Ag-MAX的体系开发与制备技术具有重要指导价值。
主要创新点:
1、研制了新型无Cd节约贵金属Ag的Ag-MAX电接触材料体系;
2、优化制备了具有MAX相组织细化、定向排布特点的Ag-MAX电接触材料;
3、研究了Ag与MAX的高温润湿行为,发现非反应性润湿的Ag-MAX体系综合性能更优。
应用领域:
预期本项目开发制备的Ag-MAX电接触材料,在航天航空、高速列车、电动汽车、智能电网、智能电器等行业的低压电接触器件(如电路开关、接触器、继电器等)中具有广阔市场前景。
基本
文件
流程
错误
SQL
调试
请求信息 : 2026-04-20 19:19:33 HTTP/2.0 GET : https://sqh.timethink.com.cn/portal/science/show/id/49.html
运行时间 : 0.046759s [ 吞吐率:21.39req/s ] 内存消耗:4,007.13kb 文件加载:97
查询信息 : 4 queries 0 writes
缓存信息 : 5 reads,0 writes
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[ LANG ] /www/wwwroot/sqh/vendor/thinkphp/lang/zh-cn.php
[ LANG ] /www/wwwroot/sqh/app/portal//lang/zh-cn.php
[ ROUTE ] array ( )
[ HEADER ] array ( 'user-agent' => 'Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)', 'accept' => '*/*', 'host' => 'sqh.timethink.com.cn', 'content-type' => '', 'content-length' => '', )
[ PARAM ] array ( 'id' => '49', )
[ LANG ] /www/wwwroot/sqh/vendor/thinkcmf/cmf/src/behavior/../lang/zh-cn.php
[ LANG ] /www/wwwroot/sqh/vendor/thinkcmf/cmf-app/src/admin/lang/zh-cn.php
[ LANG ] /www/wwwroot/sqh/vendor/thinkcmf/cmf-app/src/admin/lang/zh-cn/common.php
[ LANG ] /www/wwwroot/sqh/vendor/thinkcmf/cmf-app/src/user/lang/zh-cn.php
[ LANG ] /www/wwwroot/sqh/app/portal/lang/zh-cn/common.php
[ LANG ] /www/wwwroot/sqh/app/portal/lang/zh-cn/home.php
[ DB ] INIT mysql
[ VIEW ] /www/wwwroot/sqh/public/themes/alumni_association/portal/science/show.html [ array ( 0 => 'site_info', 1 => 'id', 2 => 'school_id', 3 => 'name', 4 => 'images', 5 => 'zjcqno', 6 => 'dwmc', 7 => 'publish_time', 8 => 'xmjd', 9 => 'jsly', 10 => 'zscqqk', 11 => 'cgsx', 12 => 'cgjs', 13 => 'xmfzr', 14 => 'hzfs', 15 => 'zrjg', 16 => 'frdb', 17 => 'dwgm', 18 => 'dwxx', 19 => 'mobile', 20 => 'email', 21 => 'address', 22 => 'post_status', 23 => 'create_time', 24 => 'wxapp_show', 25 => 'pc_show', 26 => 'theme_vars', 27 => 'theme_widgets', ) ]
[ DB ] CONNECT:[ UseTime:0.000492s ] mysql:host=127.0.0.1;port=3306;dbname=sqh_cn;charset=utf8mb4
[ SQL ] SHOW COLUMNS FROM `dongda_product_display` [ RunTime:0.001277s ]
[ SQL ] SELECT * FROM `dongda_product_display` WHERE `pc_show` = 1 AND `id` = 49 LIMIT 1 [ RunTime:0.000596s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'dongda_product_display', 'partitions' => NULL, 'type' => 'const', 'possible_keys' => 'PRIMARY', 'key' => 'PRIMARY', 'key_len' => '4', 'ref' => 'const', 'rows' => 1, 'filtered' => 100.0, 'extra' => NULL, ) ]
[ SQL ] SHOW COLUMNS FROM `dongda_theme_file` [ RunTime:0.001505s ]
[ SQL ] SELECT `more` FROM `dongda_theme_file` WHERE `theme` = 'alumni_association' AND ( `is_public` = 1 OR `file` = 'portal/science/show' ) [ RunTime:0.000371s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'dongda_theme_file', 'partitions' => NULL, 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 2, 'filtered' => 50.0, 'extra' => 'Using where', ) ]
0.047498s