Glass - Chemical Resistance Acids - concentrated Acids - dilute Alkalis Halogens Metals

Transcription

1 Glass - hemical Resistance Acids - concentrated Acids - dilute Alkalis Halogens Metals Good Good Fair Good Fair SiO MAOR Machinable Glass SiO 46/Al O3 6/MgO 7/KO Poor Fair Fair - -

2 Electrical resistivity mohmcm Glass - Electrical Properties Volume resistivity Ohmcm obalt/boron/silicon/iron/ 36 - Molybdenum/ o69/b /Si/Fe 4/Mo /Ni Iron/ 4 - o66/si5/b 4/Fe 4/Ni 30 - o70/si+b 3/Mn 5/Fe+Mo obalt/silicon/molybdenum/ 35 - o78/si 9/Mo 5/Fe 4/B /Nb - 0 SiO 4 - Fe77.5/B 5/Si Fe78/B 3/Si Fe79/B 6/Si Fe8/B 3.5/Si 3.5/ Iron//Boron Fe40/Ni38/B 8/Mo 4 MAOR Machinable Glass - >0 SiO 46/Al O3 6/MgO 7/KO /Boron/Silicon 90 - Ni78/B 4/Si 8 /Iron/Silicon/Boron Ni40/Fe40/Si+B 9/Mo

3 oercivity - as cast A m - urie temperature Glass - Magnetic Properties Maximum permeability Remanence ratio - Br/Bs Saturation flux density T Saturation magnetostriction x0-6 obalt/boron/silicon/iron/ < Molybdenum/ o69/b /Si/Fe 4/Mo /Ni Iron/ < o66/si5/b 4/Fe 4/Ni < <0.3 o70/si+b 3/Mn 5/Fe+Mo obalt/silicon/molybdenum/ o78/si 9/Mo 5/Fe 4/B /Nb nm SiO Fe77.5/B 5/Si Fe78/B 3/Si Fe79/B 6/Si Fe8/B 3.5/Si 3.5/ MAOR Machinable Glass SiO 46/Al O3 6/MgO 7/KO /Iron/Silicon/Boron Ni40/Fe40/Si+B 9/Mo - < 60 - <

4 Glass - Mechanical Properties ompressive strength MPa Elongation at break Hardness - Vickers kgf mm - Tensile modulus GPa Tensile strength MPa obalt/boron/silicon/iron/ >700 Molybdenum/ o69/b /Si/Fe 4/Mo /Ni Iron/ >700 o66/si5/b 4/Fe 4/Ni o70/si+b 3/Mn 5/Fe+Mo SiO Fe77.5/B 5/Si >700 Fe78/B 3/Si Fe79/B 6/Si 5 Fe8/B 3.5/Si 3.5/ >700 Iron//Boron Fe40/Ni38/B 8/Mo 4 MAOR Machinable Glass SiO 46/Al O3 6/MgO 7/KO Magnetic opper u99.96/fe 0.04 /Boron/Silicon Ni78/B 4/Si 8 /Iron/Silicon/Boron Ni40/Fe40/Si+B 9/Mo \

5 Apparent porosity Glass - Physical Properties Density g cm -3 Water absorption - saturation Borosilicate Glass SiO 8 / B O3 3 / NaO 4 arbon - Vitreous obalt/boron/silicon/iron/ Molybdenum/ o69/b /Si/Fe 4/Mo /Ni Iron/ o66/si5/b 4/Fe 4/Ni o70/si+b 3/Mn 5/Fe+Mo obalt/silicon/molybdenum/ o78/si 9/Mo 5/Fe 4/B /Nb SiO Fe78/B 3/Si Fe79/B 6/Si Fe8/B 3.5/Si 3.5/ Iron//Boron Fe40/Ni38/B 8/Mo 4 MAOR Machinable Glass SiO 46/Al O3 6/MgO 7/KO Magnetic opper u99.96/fe 0.04 /Boron/Silicon Ni78/B 4/Si 8 /Iron/Silicon/Boron Ni40/Fe40/Si+B 9/Mo - Soda Lime Glass SiO 70/Na O 5/aO 0/ MgO/BO3/AlO

6 Apparent porosity Glass - Physical Properties Density g cm -3 Water absorption - saturation Topaz (Yellow Imperial) Al SiO 4 (F,OH) Turquoise ual 6 (PO 4 )4(OH)

7 Glass - Thermal Properties oefficient of thermal expansion x0-6 K - rystallization temperature Maximum use temperature in air Specific heat J K - kg - Thermal conductivity W m - K - Upper continuous use temperature obalt/boron/silicon/iron/ Molybdenum/ o69/b /Si/Fe 4/Mo /Ni Iron/ o66/si5/b 4/Fe 4/Ni o70/si+b 3/Mn 5/Fe+Mo o78/si 9/Mo 5/Fe 4/B /Nb SiO Fe77.5/B 5/Si Fe78/B 3/Si Fe79/B 6/Si Fe8/B 3.5/Si 3.5/ Iron//Boron Fe40/Ni38/B 8/Mo 4 MAOR Machinable Glass SiO 46/Al O3 6/MgO 7/KO Magnetic opper u99.96/fe 0.04 /Boron/Silicon Ni78/B 4/Si 8 /Iron/Silicon/Boron Ni40/Fe40/Si+B 9/Mo