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  • 氮化铝的性质用途
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产品简介

规格:kpl竞猜平台0.5mm*114*114mm、1mm*114mm*114mm、0.635mm*120mm*120mm、1.5mm*120mm*120mm

材料:陶瓷粉末材料

型号:TC027

适用:集成电路互连基板、光电通信、MCM、陶瓷载体、激光载体等领域

电话:0755-29304991

手机:189 2743 8086

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产品介绍

氮化铝陶瓷是共价键化合物,属于六方晶系,纤锌矿型的晶体结构,呈白色或灰白色,氮化铝导热性好,热膨胀系数小,是良好的耐热冲击陶瓷材料。具有优异的抗热震性。AlN的导热率是Al2O3的2~3倍,热压时强度比Al2O3还高。氮化铝对Al和其他熔融金属、砷化镓等具有良好的耐蚀性,尤其对熔融Al液具有极好的耐侵蚀性,还具有优良的电绝缘性和介电性质。但氮化铝的高温抗氧化性差,在大气中易吸潮、水解,和湿空气、水或含水液体接触产生热和氮并迅速分解。在2516℃分解,热硬度很高,即使在分解温度前也不软化变形。氮化铝和水在室温下也能缓慢地进行反应,而被水解。和干燥氧气在800℃以上进行反应。

物理性质

MIDU:3.26

kpl竞猜平台 RONGDIAN:>2200 ℃(lit.)

XINGZHUANG:powder

kpl竞猜平台 RONGJIEXING:MAY DECOMPOSE


生产方法

1.JIANGANHELVZHIJIEJINXINGDANHUAFANYING,JINGFENSUI、FENJIZHIDEDANHUALVFENMO。HUOZHEJIANGYANGHUALVHETANCHONGFENHUNHE,ZAIDIANLUZHONGYU1700℃HAIYUANZHIDEDANHUALV。

2.JIANGGAOCHUNDULVFENTUOZHI(YONGYIMICHOUTIHUOZAIDANQILIUZHONGJIAREDAO150℃)HOU,FANGDAONIEPANZHONG,JIANGPANFANGZAISHIYINGHUOCIZHIFANYINGGUANNEI,ZAITICHUNDEDANQILIUZHONGMANMANDIJINXINGJIARE。DANHUAFANYINGZAI820℃ZUOYOUSHIFACHUBAIGUANGXUNSUDIJINXING。CISHI,BIXUDALIANGTONGDANYIFANGZHIFANYINGGUANNEICHUXIANJIANYA。ZHEIGEJILIEDEFANYINGWANBIHOU,ZAIDANQILIUZHONGLENGQUE。YOUYUCHANWUNEIBAOYOUJINSHULV,KEJIANGQIFENSUI,BINGZAIDANQILIUZHONGYU1100~1200℃WENDUXIAZAIJIARE1~2h,JIDEDAOHUIBAISEDANHUALV。

LINGWAI,JIANGLVZAI1200~1400℃XIAZHENGFAQIHUA,SHIQIYUDANQIFANYINGJIDEDAODANHUALVDEXUZHUANGWU(JINSHUJINGXU)。CIWAI,YEYOUJIANGAlCl3·NH3JIACHENGWUJINXINGREFENJIEDEZHIFA。

kpl竞猜平台 3.ZHIJIEDANHUAFA JIANGDANHELVZHIJIEJINXINGDANHUAFANYING,JINGFENSUI、FENJIZHIDE。DANHUALVCHANPINZHILIANGSHOUFANYINGLUWEN、YUANLIAODEYUHUNHEYIJIXUNHUANDANHUALVFENMOSUOZHANDEHUNHEBILI、DANHUALVBIBIAOMIANJIDENGTIAOJIANDEYINGXIANG。YINCIXUYANGEKONGZHIGONGYIGUOCHENG,DEDAOWENDINGTEXINGDEDANHUALVFENMO(RUBIBIAOMIANJI、YICILIJING、NINGJULIJING、SONGMIDUHEBIAOMIANTEXINGDENG)。

储运条件

kpl竞猜平台 GANXINGDEBAOHUQITIXIACHUZHI,BAOCHIZHUZANGQIMIFENG,FANGRUJINMIDEZHUZANGQINEI,CHUCUNZAIYINLIANG,GANZAODEDIFANG。

产品用途

kpl竞猜平台 DANHUALVTAOCISHIYIZHONGGAOJISHUXINXINGTAOCI。DANHUALVJIBANJUYOUJIGAODEREDAOLV,WUDU、NAIFUSHI、NAIGAOWEN,REHUAXUEWENDINGXINGHAODENGTEDIAN,SHIDAGUIMOJICHENGDIANLU,BANDAOTIMOKUAIDIANLUHEDAGONGLVQIJIANDELIXIANGFENGZHUANGCAILIAO、SANRECAILIAO、DIANLUYUANJIANJIHULIANXIANCHENGZAITI。YESHITIGAOGAOFENZICAILIAOREDAOLVHELIXUEXINGNENGDEZUIJIATIANJIALIAO,DANHUALVTAOCIHAIKEYONGZUORONGLIANYOUSEJINSHUHEBANDAOTICAILIAOSHENHUAJIADEGANGUO、REDIANOUDEBAOHUGUAN、GAOWENJUEYUANJIAN、WEIBOJIEDIANCAILIAO、NAIGAOWEN、NAIFUSHIJIEGOUTAOCIJITOUMINGDANHUALVWEIBOTAOCIZHIPIN,YONGZUOGAODAORETAOCISHENGCHANYUANLIAOJISHUZHITIANLIAODENG。DANHUALVSHIDIANJUEYUANTI,JIEDIANXINGNENGLIANGHAO。SHENHUAJIABIAOMIANDEDANHUALVTUCENG,NENGBAOHUTAZAITUIHUOSHIMIANSHOULIZIDEZHURU。

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