JPH0514366B2 - - Google Patents

Info

Publication number

JPH0514366B2

JPH0514366B2 JP61199743A JP19974386A JPH0514366B2 JP H0514366 B2 JPH0514366 B2 JP H0514366B2 JP 61199743 A JP61199743 A JP 61199743A JP 19974386 A JP19974386 A JP 19974386A JP H0514366 B2 JPH0514366 B2 JP H0514366B2

Authority

JP

Japan

Prior art keywords

contact

contact material

resistance

value

cdo

Prior art date

1986-08-26

Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)

Expired - Lifetime

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• 239000000463 material Substances 0.000 claims description 32
• 229910044991 metal oxide Inorganic materials 0.000 claims description 10
• 150000004706 metal oxides Chemical class 0.000 claims description 10
• 230000003647 oxidation Effects 0.000 claims description 8
• 238000007254 oxidation reaction Methods 0.000 claims description 8
• 229910052748 manganese Inorganic materials 0.000 claims description 7
• 229910052751 metal Inorganic materials 0.000 claims description 5
• 238000000034 method Methods 0.000 claims description 5
• 229910052718 tin Inorganic materials 0.000 claims description 5
• 229910052793 cadmium Inorganic materials 0.000 claims description 4
• 238000003466 welding Methods 0.000 description 15
• XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 8
• 229910006404 SnO 2 Inorganic materials 0.000 description 8
• 230000000694 effects Effects 0.000 description 8
• 239000002245 particle Substances 0.000 description 7
• 229910052782 aluminium Inorganic materials 0.000 description 6
• 229910052786 argon Inorganic materials 0.000 description 4
• 239000007789 gas Substances 0.000 description 4
• 239000011159 matrix material Substances 0.000 description 4
• 230000000052 comparative effect Effects 0.000 description 3
• 239000002184 metal Substances 0.000 description 3
• 229910052709 silver Inorganic materials 0.000 description 3
• QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
• 230000007423 decrease Effects 0.000 description 2
• 238000007542 hardness measurement Methods 0.000 description 2
• 238000010438 heat treatment Methods 0.000 description 2
• 238000005098 hot rolling Methods 0.000 description 2
• 229910052742 iron Inorganic materials 0.000 description 2
• 238000005259 measurement Methods 0.000 description 2
• 150000002739 metals Chemical class 0.000 description 2
• 239000000203 mixture Substances 0.000 description 2
• 229910052759 nickel Inorganic materials 0.000 description 2
• 239000001301 oxygen Substances 0.000 description 2
• 229910052760 oxygen Inorganic materials 0.000 description 2
• 238000002441 X-ray diffraction Methods 0.000 description 1
• 238000005299 abrasion Methods 0.000 description 1
• 238000005054 agglomeration Methods 0.000 description 1
• 230000002776 aggregation Effects 0.000 description 1
• 239000000956 alloy Substances 0.000 description 1
• 229910045601 alloy Inorganic materials 0.000 description 1
• 239000002131 composite material Substances 0.000 description 1
• 239000013078 crystal Substances 0.000 description 1
• 239000006185 dispersion Substances 0.000 description 1
• 238000005516 engineering process Methods 0.000 description 1
• 238000011835 investigation Methods 0.000 description 1
• 230000000704 physical effect Effects 0.000 description 1
• 238000007670 refining Methods 0.000 description 1
• 230000035936 sexual power Effects 0.000 description 1