铝合金的密度是多少.铝合金的特性Tags:铝合金的密度是多少|时间:2010:7:2219:07:482010年06月14日铝合金一﹑铝合金的特性(Aluminiumalloyproperty)纯铝延性高﹐没什么强度高纯度铝其凝集紧缩高达6.6%﹐通常只用语电动机转子之压铸99.3%纯铝之铝其导电率(conductivity)为规范铜的54%.其它杂质为铁(Fe)和矽(Si),其作用目的有防止粘模﹑提高高温强度等铝合金分二元合金和三元合金﹕1﹑二元合金﹕Al-Si合金(ADC1A413.0)Al-Cu﹐﹔合金﹔Al-Mg合金(ADC5,ADC6)2﹑三元合金﹕Al-Si-Cu合金(ADC10ADC12ADC14A380383.0)﹐﹐﹐﹐﹔Al-Si-Mg合金(ADC3,A360.0),常用合金是Al-Si-Cu系列合金二﹑化学成分表(Chemicalelement)JIS铝合金压铸材料成分规范表编号CuSiMgZnFeMnNiSnALADC11.011.0~13.00.3max0.5max1.3max0.3max0.5max0.1maxotherADC30.6max9.0~10.00.4~0.60.5max1.3max0.3max0.5max0.1maxotherADC50.2max0.3max4.0~8.50.1max1.8max0.3max0.1max0.1maxotherADC60.1max1.0max2.5~4.00.4max0.8max0.4~0.60.1max0.3maxotherADC102.0~4.07.5~9.50.3max1.0max1.3max0.5max0.5max0.3maxotherotherADC121.5~3.59.6~12.00.3max1.0max1.3max0.5max0.5max0.3maxotherADC12Z1.5~3.59.6~12.00.3max3.0max1.3max0.5max0.5max0.3maxotherADC144.0~5.016.0~18.00.45~0.651.5max1.3max0.3max0.3max0.3maxother美铝合金压铸材料成分规范表编号AA/ASTM化学成分CuSiMgZnFeMnNiSnImpurityAL413.0/S12B1.011.0~13.00.10.52.00.350.50.50.25otherA413.0/S12B1.011.0~13.00.10.51.30.350.50.50.25other380.0/SC84B3.0~4.07.5~9.50.13.02.00.50.50.350.5otherA380.0/SC84A3.0~4.07.5~9.50.13.01.30.50.50.350.5other443.0/S5C0.64.5~6.00.10.52.00.350.50.150.25other518.0/G8A0.250.357.5~8.50.151.80.350.150.150.25other360.0/SG100B0.69.0~10.00.4~0.60.52.00.350.50.150.25otherA360.0/SG100A0.69.0~10.00.4~0.60.51.30.350.50.150.25other383.0/SC102A2.0~3.09.5~11.50.13.01.30.50.30.150.5other384.0/SC114A3.0~4.510.5~12.00.13.01.30.50.50.350.5other390.0/---4.0~5.016.0~18.00.45~0.650.10.6~0.10.1----0.2other列国铝合金压铸材料类似对照表合金系CNS编号JIS编号(H5302)AA/ASTM(1984)SAEJ452ISO(DIS3522)NFA57-703/2(1981)BS1490DIN1725(1986)Italy(UNI)AL-Si系1种ADC1A413305.0Al-Si12CuFeA-S12Y4LM20GD-AlSi12(Cu)5079AL-Si-Mg系3种ADC3A360.0309.0--A-S9GY4LM9GD-AlSi10Mg5074AL-Mg系5种ADC5518.0----A-G6Y4LM5GD-AlMg93058AL-Mg系6种ADC6515.0----A-G3T------AL-Si-Cu系10种ADC10B380.0306.0AlSi8Cu3FeA-S9U3Y4LM24GD-AlSi9Cu35075AL-Si-Cu系10种ZADC10ZA380.0306.0AlSi8Cu3Fe----GD-AlSi9Cu3--AL-Si-Cu系12种ADC12383.0383.0----LM2----AL-Si-Cu系12种ZADC12Z383.0383.0----LM2----AL-Si-Cu系14种ADC14B390.0A23900----LM30----FalseFalseBitmap1.压铸常用合金是AL-Si-Cu系三元合金(ADC10ADC10ZADC12ADC12ZADC14)ADC12﹐﹐﹐﹐﹐相对ADC10因铜含量略低﹑矽含量略高﹐在各方面有较优的性质﹐为今朝最常用合金2.AL-Si-Mg合金(ADC3)有杰出之强度﹑耐蚀性和延性此类合金中会析出Mg2Si﹐在高温(639？C)时Mg2Si的固溶量为1.85%﹐室温时为0.25%.Mg2Si有提高硬度﹑强度的作用﹐但会减低延性合金中Mg含量需>0.2%才有用用ADC3的高温强度与ADC10至关﹐耐蚀﹑可以出产耐气密的铸件ADC3亦会时效硬化﹐可是水平较含Cu者低3.Al-Si合金﹕Si含量增加﹐强度和硬度增加﹐导电性减低﹐同时流动性随之增加﹐Si含量帮忙高温强度的提升﹐同时大为减低凝集紧缩量帮忙告竣气密要求﹐可是对厚薄不均一之铸件高矽(因靠近等温凝集)反而会阻碍压力通报﹐其实验预示矽含量9%之A380反而较矽含量11%之A383缩孔少Al-Si合金耐蚀性极佳只略输Al-Mg合金若为提高耐蚀性可做阳极处理﹐但因Si含量表面呈灰玄色﹐阳极处理会更突现压铸流纹Si含量的影响Si含量的增加流动性耐磨性硬度强度加工性凝集紧缩量延性影响("↑"增加,"↓"减少)↑↑↑↑↓↓↓4.Al-Mg合金铸件之机械性质﹑加工性﹑延性属大乘﹐Mg含量增加﹐抗拉强度上涨5.Al-Cu合金﹕...
