<*n style="font-family:宋体;mso-ascii-font-family:" times="" new=""> *n><*n lang="EN-US">7005*n><*n style="font-family:宋体;mso-ascii-font-family:" times="" new="">铝合金,美国变形铝及铝合金。*n><*n lang="EN-US">7005*n><*n style="font-family:宋体;mso-ascii-font-family:" times="" new="">强度高于*n><*n lang="EN-US">7003*n><*n style="font-family:宋体;mso-ascii-font-family:" times="" new="">合金,焊接性能好,可热处理强化。*n><*n lang="EN-US">7005*n><*n style="font-family:宋体;mso-ascii-font-family:" times="" new="">铝合金挤压材料,常应用于制造既要有高的强度又要有高的断裂韧性的焊接结构,如交通运输车辆的桁架、杆件、容器;大型热交换器,以及焊接后不能进行固熔处理的部件;还可用于制造体育器材如网球拍与垒球棒。*n>
<*n style="font-family:宋体;mso-ascii-font-family:" times="" new="">标准对照*n>
<*n style="font-family:宋体;mso-ascii-font-family:" times="" new=""> 美国铝业协会*n><*n lang="EN-US">(AA) 7005*n><*n style="font-family:宋体;mso-ascii-font-family:" times="" new="">,*n><*n lang="EN-US">UNS A97005*n><*n style="font-family:宋体;mso-ascii-font-family:" times="" new="">;*n>
<*n style="font-family:宋体;mso-ascii-font-family:" times="" new=""> 中国*n><*n lang="EN-US">GB 7005*n><*n style="font-family:宋体;mso-ascii-font-family:" times="" new="">;*n>
<*n style="font-family:宋体;mso-ascii-font-family:" times="" new=""> 日本*n><*n lang="EN-US">JIS (7N11) *n>
<*n style="font-family:宋体;mso-ascii-font-family:" times="" new="">化学成分*n>
<*n style="font-family:宋体;mso-ascii-font-family:" times="" new=""> 铝*n><*n lang="EN-US"> Al(*n><*n style="font-family:宋体;mso-ascii-font-family:" times="" new="">****小值*n><*n lang="EN-US">)*n><*n style="font-family: 宋体;mso-ascii-font-family:" times="" new="">:余量*n>
<*n style="font-family:宋体;mso-ascii-font-family:" times="" new="">硅*n><*n lang="EN-US"> Si*n><*n style="font-family:宋体;mso-ascii-font-family:" times="" new="">:*n><*n lang="EN-US">≤0.35 *n>
<*n style="font-family:宋体;mso-ascii-font-family:" times="" new=""> 铁*n><*n lang="EN-US"> Fe*n><*n style="font-family:宋体;mso-ascii-font-family:" times="" new="">:*n><*n lang="EN-US">≤0.40 *n>
<*n style="font-family:宋体;mso-ascii-font-family:" times="" new=""> 铜*n><*n lang="EN-US"> Cu*n><*n style="font-family:宋体;mso-ascii-font-family:" times="" new="">:*n><*n lang="EN-US">≤0.10 *n>
<*n style="font-family:宋体;mso-ascii-font-family:" times="" new=""> 锰*n><*n lang="EN-US"> Mn*n><*n style="font-family:宋体;mso-ascii-font-family:" times="" new="">:*n><*n lang="EN-US">0.20~0.7 *n>
<*n style="font-family:宋体;mso-ascii-font-family:" times="" new=""> 镁*n><*n lang="EN-US"> Mg*n><*n style="font-family:宋体;mso-ascii-font-family:" times="" new="">:*n><*n lang="EN-US">1.0~1.8 *n>
<*n style="font-family:宋体;mso-ascii-font-family:" times="" new=""> 铬*n><*n lang="EN-US"> Cr*n><*n style="font-family:宋体;mso-ascii-font-family:" times="" new="">:*n><*n lang="EN-US">0.06~0.20 *n>
<*n style="font-family:宋体;mso-ascii-font-family:" times="" new=""> 锌*n><*n lang="EN-US"> Zn*n><*n style="font-family:宋体;mso-ascii-font-family:" times="" new="">:*n><*n lang="EN-US">4.0~5.0 *n>
<*n style="font-family:宋体;mso-ascii-font-family:" times="" new=""> 锆*n><*n lang="EN-US"> Zr*n><*n style="font-family:宋体;mso-ascii-font-family:" times="" new="">:*n><*n lang="EN-US">0.08~0.20 *n>
<*n style="font-family:宋体;mso-ascii-font-family:" times="" new=""> 钛*n><*n lang="EN-US"> Ti*n><*n style="font-family:宋体;mso-ascii-font-family:" times="" new="">:*n><*n lang="EN-US">0.01~0.06 *n>
<*n style="font-family:宋体;mso-ascii-font-family:" times="" new=""> 未*的其他元素:每种:*n><*n lang="EN-US">≤0.05*n><*n style="font-family:宋体;mso-ascii-font-family:" times="" new="">;合计:*n><*n lang="EN-US">≤0.15 *n>
<*n lang="EN-US">7005*n><*n style="font-family:宋体; mso-ascii-font-family:" times="" new="">铝合金机械性能*n>
<*n style="font-family:宋体;mso-ascii-font-family:" times="" new=""> *n><*n lang="EN-US">7005*n><*n style="font-family:宋体;mso-ascii-font-family:" times="" new="">材料状态:*n><*n lang="EN-US">T1 T3 T4 T5 T6 T8 *n>
<*n style="font-family:宋体;mso-ascii-font-family:" times="" new=""> 制造方法:拉制*n>
<*n style="font-family:宋体;mso-ascii-font-family:" times="" new=""> 机械性能:*n>
<*n style="font-family:宋体;mso-ascii-font-family:" times="" new=""> 状态*n><*n lang="EN-US">tempert4*n><*n style="font-family:宋体;mso-ascii-font-family:" times="" new="">:*拉强度*n><*n lang="EN-US">uts324*n><*n style="font-family:宋体;mso-ascii-font-family:" times="" new="">,*n> <*n style="font-family:宋体;mso-ascii-font-family: " times="" new="">规定非比例伸长应力*n><*n lang="EN-US">yield215*n><*n style="font-family:宋体;mso-ascii-font-family: " times="" new="">,*n> <*n style="font-family:宋体;mso-ascii-font-family:" times="" new="">伸长率*n><*n lang="EN-US">elongation11*n><*n style="font-family:宋体;mso-ascii-font-family:" times="" new="">,电导率*n><*n lang="EN-US">40-49 *n>
<*n style="font-family:宋体;mso-ascii-font-family:" times="" new=""> 状态*n><*n lang="EN-US">tempert5*n><*n style="font-family:宋体;mso-ascii-font-family:" times="" new="">:*拉强度*n><*n lang="EN-US">uts345 *n><*n style="font-family:宋体;mso-ascii-font-family:" times="" new="">,规定非比例伸长应力*n><*n lang="EN-US">yield305 *n><*n style="font-family:宋体;mso-ascii-font-family:" times="" new="">,伸长率*n><*n lang="EN-US">elongation9 *n><*n style="font-family:宋体;mso-ascii-font-family:" times="" new="">,电导率*n><*n lang="EN-US">40-49 *n><*n style="font-family:宋体;mso-ascii-font-family:" times="" new="">;*n>
<*n style="font-family:宋体;mso-ascii-font-family:" times="" new=""> 状态*n><*n lang="EN-US">tempert6n*n><*n style="font-family:宋体;mso-ascii-font-family:" times="" new="">:*拉强度*n><*n lang="EN-US">uts350 *n><*n style="font-family:宋体;mso-ascii-font-family:" times="" new="">规定非比例伸长应力*n><*n lang="EN-US">yield290 *n><*n style="font-family:宋体;mso-ascii-font-family:" times="" new="">伸长率*n><*n lang="EN-US">elongation8 *n><*n style="font-family:宋体;mso-ascii-font-family:" times="" new="">电导率*n><*n lang="EN-US">40-49 *n>
<*n style="font-family:宋体;mso-ascii-font-family:" times="" new=""> 铝合金材质*n><*n lang="EN-US">6061*n><*n style="font-family:宋体;mso-ascii-font-family:" times="" new="">,*n><*n lang="EN-US">7005*n><*n style="font-family: 宋体;mso-ascii-font-family:" times="" new="">,*n><*n lang="EN-US">7075*n><*n style="font-family:宋体;mso-ascii-font-family:" times="" new="">的区别:*n>
<*n style="font-family:宋体;mso-ascii-font-family:" times="" new=""> 纯铝的硬度不高,比较软,但是合金就很硬了。通过加入不同的金属可以得到各种合金,*n><*n lang="EN-US">6061*n><*n style="font-family:宋体;mso-ascii-font-family:" times="" new="">,*n><*n lang="EN-US">7005*n><*n style="font-family:宋体;mso-ascii-font-family:" times="" new="">,*n><*n lang="EN-US">7075*n><*n style="font-family: 宋体;mso-ascii-font-family:" times="" new="">都是铝合金的型号。*n>
<*n style="font-family:宋体;mso-ascii-font-family:" times="" new=""> *n><*n lang="EN-US">6061*n><*n style="font-family:宋体;mso-ascii-font-family:" times="" new="">是****普遍的铝材,轻,强度好,而且经济实惠。*n>
<*n style="font-family:宋体;mso-ascii-font-family:" times="" new=""> *n><*n lang="EN-US">7005*n><*n style="font-family:宋体;mso-ascii-font-family:" times="" new="">是轻化铝材,强度不如*n><*n lang="EN-US">6061*n><*n style="font-family:宋体;mso-ascii-font-family:" times="" new="">,但是轻了很多,价格也高。*n>
<*n style="font-family:宋体;mso-ascii-font-family:" times="" new=""> *n><*n lang="EN-US">7075*n><*n style="font-family:宋体;mso-ascii-font-family:" times="" new="">是****轻且强度****高的的铝材,价格也*贵!*n><*n lang="EN-US">7075*n><*n style="font-family:宋体;mso-ascii-font-family:" times="" new="">的强度不亚于钢了。*n>
<*n style="font-family:宋体;mso-ascii-font-family:" times="" new=""> *n><*n lang="EN-US">6061*n><*n style="font-family:宋体;mso-ascii-font-family:" times="" new="">,*n><*n lang="EN-US">7005*n><*n style="font-family: 宋体;mso-ascii-font-family:" times="" new="">铝材的具体区别:*n>
<*n style="font-family:宋体;mso-ascii-font-family:" times="" new=""> *n><*n lang="EN-US">1.*n><*n style="font-family:宋体;mso-ascii-font-family:" times="" new="">目前铝合金车架普遍使用的材料是*n><*n lang="EN-US">7005*n><*n style="font-family:宋体;mso-ascii-font-family:" times="" new="">与*n><*n lang="EN-US">6061*n><*n style="font-family: 宋体;mso-ascii-font-family:" times="" new="">两种。*n>
<*n style="font-family:宋体;mso-ascii-font-family:" times="" new=""> *n><*n lang="EN-US">2.7000*n><*n style="font-family:宋体;mso-ascii-font-family:" times="" new="">系列主要以锌为主要合金,成分比例达到*n><*n lang="EN-US">6%*n><*n style="font-family:宋体;mso-ascii-font-family:" times="" new="">。*n><*n lang="EN-US">6000*n><*n style="font-family: 宋体;mso-ascii-font-family:" times="" new="">系列主要以镁和硅为主要合金,总成分比例较低。*n>
<*n style="font-family:宋体;mso-ascii-font-family:" times="" new=""> *n><*n lang="EN-US">3.*n><*n style="font-family:宋体;mso-ascii-font-family:" times="" new="">论强度的话*n><*n lang="EN-US">7005*n><*n style="font-family:宋体;mso-ascii-font-family:" times="" new="">较强,但只是稍微强一点,从表中可以看出来,*n><*n lang="EN-US">yield strength*n><*n style="font-family:宋体;mso-ascii-font-family:" times="" new="">(让铝材*弯曲变形的力度)只比*n><*n lang="EN-US">6061*n><*n style="font-family:宋体;mso-ascii-font-family:" times="" new="">强一点。*n>
<*n style="font-family:宋体;mso-ascii-font-family:" times="" new=""> *n><*n lang="EN-US">4.*n><*n style="font-family:宋体;mso-ascii-font-family:" times="" new="">所有用作车架材料的铝合金都经过热处理*n><*n lang="EN-US">T6 *n>
<*n style="font-family:宋体;mso-ascii-font-family:" times="" new=""> *n><*n lang="EN-US">5.*n><*n style="font-family:宋体;mso-ascii-font-family:" times="" new="">但论整体来讲,*n><*n lang="EN-US">6061*n><*n style="font-family:宋体;mso-ascii-font-family:" times="" new="">是较好的材料。由于*n><*n lang="EN-US">7005*n><*n style="font-family:宋体;mso-ascii-font-family:" times="" new="">含其他金属比例高,所以焊接,处理都比较困难,尤其是*n><*n lang="EN-US">7075*n><*n style="font-family:宋体;mso-ascii-font-family:" times="" new="">(后两个数字代表含合金比例)它的比例更高,所以一般是不能用作车架的材料。相比之下,*n><*n lang="EN-US">6061*n><*n style="font-family:宋体;mso-ascii-font-family:" times="" new="">由于含其他金属比例较低,因此可以通过异型,各种处理来增加它的强度和减低它的风阻,甚至可以做到*n><*n lang="EN-US">3*n><*n style="font-family:宋体;mso-ascii-font-family:" times="" new="">次抽管来减低重量。*n>