***°ü¸®ÀÚ (Homepage) 2012-08-10 15:47:38, Á¶È¸ : 364, Ãßõ : 29 ***
ö ´ÏÄÌ ÇÕ±Ý Àι٠42 (Invar 42)
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1)ÈÇмººÐ(Chemical Analysis)
Element Min Max
Carbon -- 0.05
Nickel -- 41.0
Iron Balance
Silicon -- 0.20
Manganese -- 0.40
2)Á¤ÀÇ(Description)
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3)¿ëµµ(Applications)
ÇÕ±Ý Àι٠42´Â ÀüÀÚ Æ©ºê, ÀÚµ¿Â÷ ¹× »ê¾÷¿ë ·¥ÇÁ¿¡ À¯¸®¿Í ±Ý¼Ó
Á¢Âø ¾Á¿¡ »ç¿ëµÇ°í º¯¾Ð±â ¹× Äܵ§¼ ºÎ½Ì ¹× ±âŸ À¯¸®¿Í ±Ý¼Ó ¹×
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4)¹°¸®Àûµ¥ÀÌÅÍ(Physical Properties)
Specific gravity ........8.12 Inflection Point
Density ¡ÆF......... 650
lb/cu in .............0.293 ¡ÆC ........ 343
Thermal conductivity Curie Temperature
Btu-in/ft©÷/¡ÆF........74.5 ¡ÆF.........715
W/m-K (20/1...........10.7 ¡ÆC .........380
Electrical resistivity Melting Point
ohm-cir mil/ft .......400 ¡ÆF..........2600
microhm-mm............ 66 ¡ÆC..........1427
Temperature coefficient of electrical Specific heat
resistivity Btu/lb-¡ÆF.. 0.12
per ¡ÆF(70/212¡ÆF)....0.0006 kJ/kg-K .......0.50
per ¡ÆC(20/100¡ÆC) ...0.001 Modulus of elasticity
Mean coefficient fo thermal expansion psi x 10(6) .. 21.5
10(-6)/¡ÆF(86 to 572¡ÆF) ..2.2-2.6 MPa x 10(3).. 148.4
(86 to 842¡ÆF) .. 3.7-4.1
10(-6)/¡ÆC(30 to 300¡ÆC) .. 4.0-4.7
(30 to 450¡ÆC) ... 6.7-7.4
5)¿Ã³¸®(Heat Treatment)
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6)ÀÛ¾÷¼º(Workability)
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