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1、名稱:材料的線膨脹系數(shù)標(biāo)準(zhǔn):...?數(shù)據(jù)表(S)材料名稱溫度范圍20℃20~100℃20~200℃20~300℃20~400℃20~600℃20~700℃20~900℃70~1000℃工程用銅-(16.6~17.1)(17.1~17.2)17.6(18~18.1)18.6---紫銅-17.217.517.9-----黃銅-17.816.820.9-----錫青銅-17.617.918.2-----鋁青銅-17.617.919.2-----碳鋼-(10.6~12.2)(11.3~13)(12.1~13.5)(12.9~1
2、3.9)(13.5~14.3)(14.7~15)鉻鋼-11.211.812.41313.6---40CrSi-11.7-------30CrMnSiA-11-------3Cr13-10.211.111.611.912.312.8--1Cr18Ni9Ti-16.61717.217.517.918.619.3-鑄鐵-(8.7~11.1)(8.5~11.6)(10.1~12.2)(11.5~12.7)(12.9~13.2)--17.6鎳鉻合金-14.5-------磚9.5--------水泥、混凝土10~14------
3、--膠木、硬橡皮64~77--------玻璃-(4~11.5)-------賽璐珞-100-------有機(jī)玻璃-130-------鑄鋁合金18.44~24.5————————鋁合金—22.0~24.023.4~24.824.0~25.9—————??描述(D)1.材料線膨脹系數(shù)=表內(nèi)數(shù)值×1E-6/℃。?Copyright(c)2006designmotor常用材料的線膨脹系數(shù)一覽表不同溫度下鋼材的平均線膨脹系數(shù)值如表1所示。非金屬材料的線膨脹系數(shù)如表2所示表1不同溫度下鋼材的平均線膨脹系數(shù)值材料在下列溫度與20
4、℃之間的平均線膨脹系數(shù),“α”,10-6×℃-1-196-150-100-50050100150200250300350400450500550600650700750800碳素鋼、碳鉬鋼、低鉻鉬鋼(至Cr3Mo)9.19.449.8910.3910.7611.1211.5311.8812.2512.5612.9013.2413.5813.9314.2214.4214.6214.7414.9015.02—鉻鉬鋼(Cr5Mo~Cr9Mo)8.468.909.369.7710.1610.5210.9111.1511.391
5、1.6611.9012.1512.3812.6312.8613.0513.1813.3513.4813.58—奧氏體不銹鋼(Cr18-Ni9)14.6715.0815.4515.9716.2816.5416.8417.0617.2517.4217.6117.7917.9918.1918.3418.5818.7118.8718.9719.0719.29高鉻鋼(Cr13、Cr17)7.748.108.448.959.299.599.9410.2010.4510.6710.9611.1911.4111.6111.8111.9
6、712.1112.2112.3212.41—Cr25-Ni20——————15.8415.9816.0516.0616.0716.1116.1316.1716.3316.5616.6616.9117.1417.20—蒙納爾(Mone1)Ni67-Cu309.9911.0612.1312.8313.2613.6914.1614.4514.7415.0615.3615.6715.9816.2816.6016.9017.1517.4717.7718.07—鋁17.8218.7319.5820.7921.7322.5223.3
7、823.9424.4424.9425.42——————————灰鑄鐵10.3910.6810.9711.2611.5511.8512.1412.4212.71——————青銅15.1215.4415.7616.3516.9717.5118.0718.2318.4018.5518.7318.8819.0419.2019.3419.4919.7119.85———黃銅14.7615.0315.3415.9216.5617.1117.6218.1918.3818.7719.1419.5019.8920.2720.6621.05
8、21.3421.77———Cu70-Ni3011.9712.6513.4313.9914.4814.9415.4115.6915.99————————————表2非金屬材料的線膨脹系數(shù)材料名稱線膨脹系數(shù)a,1/℃材料名稱線膨脹系數(shù)a,1/℃磚(20℃)水泥、混凝土(20℃)膠木、硬橡皮(20℃)賽璐珞(20~100℃)有機(jī)玻璃(2