JPS6237757B2 - - Google Patents

Info

Publication number

JPS6237757B2

JPS6237757B2 JP3048780A JP3048780A JPS6237757B2 JP S6237757 B2 JPS6237757 B2 JP S6237757B2 JP 3048780 A JP3048780 A JP 3048780A JP 3048780 A JP3048780 A JP 3048780A JP S6237757 B2 JPS6237757 B2 JP S6237757B2

Authority

JP

Japan

Prior art keywords

alloy

layer

weight

heat exchanger

tube

Prior art date

1980-03-11

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

Links

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• 239000010410 layer Substances 0.000 claims description 78
• 239000000463 material Substances 0.000 claims description 30
• 229910000838 Al alloy Inorganic materials 0.000 claims description 22
• 238000005219 brazing Methods 0.000 claims description 19
• 229910045601 alloy Inorganic materials 0.000 claims description 17
• 239000000956 alloy Substances 0.000 claims description 14
• 239000012535 impurity Substances 0.000 claims description 9
• 229910052782 aluminium Inorganic materials 0.000 claims description 8
• 239000000203 mixture Substances 0.000 claims description 7
• 229910001297 Zn alloy Inorganic materials 0.000 claims description 6
• 229910052804 chromium Inorganic materials 0.000 claims description 5
• 229910052726 zirconium Inorganic materials 0.000 claims description 5
• 229910018131 Al-Mn Inorganic materials 0.000 claims description 4
• 229910018461 Al—Mn Inorganic materials 0.000 claims description 4
• 239000002356 single layer Substances 0.000 claims description 4
• 229910000861 Mg alloy Inorganic materials 0.000 claims description 3
• 229910000914 Mn alloy Inorganic materials 0.000 claims description 3
• 239000000945 filler Substances 0.000 claims description 3
• 229910052751 metal Inorganic materials 0.000 claims description 3
• 239000002184 metal Substances 0.000 claims description 3
• 229910052725 zinc Inorganic materials 0.000 claims description 3
• 229910018125 Al-Si Inorganic materials 0.000 claims 1
• 229910018520 Al—Si Inorganic materials 0.000 claims 1
• 229910052748 manganese Inorganic materials 0.000 claims 1
• 238000005260 corrosion Methods 0.000 description 19
• 230000007797 corrosion Effects 0.000 description 19
• 238000005253 cladding Methods 0.000 description 13
• 238000010438 heat treatment Methods 0.000 description 12
• 230000000694 effects Effects 0.000 description 9
• 238000009792 diffusion process Methods 0.000 description 8
• 230000008020 evaporation Effects 0.000 description 7
• 238000001704 evaporation Methods 0.000 description 7
• 229910018134 Al-Mg Inorganic materials 0.000 description 5
• 229910018467 Al—Mg Inorganic materials 0.000 description 5
• 238000009826 distribution Methods 0.000 description 5
• 230000007423 decrease Effects 0.000 description 4
• 238000004519 manufacturing process Methods 0.000 description 3
• 238000007665 sagging Methods 0.000 description 3
• 239000008399 tap water Substances 0.000 description 3
• 235000020679 tap water Nutrition 0.000 description 3
• 229910021364 Al-Si alloy Inorganic materials 0.000 description 2
• 229910018137 Al-Zn Inorganic materials 0.000 description 2
• 229910018573 Al—Zn Inorganic materials 0.000 description 2
• 239000012530 fluid Substances 0.000 description 2
• 150000002500 ions Chemical class 0.000 description 2
• -1 Cu is distributed Chemical class 0.000 description 1
• 238000000137 annealing Methods 0.000 description 1
• 230000015572 biosynthetic process Effects 0.000 description 1
• 239000000470 constituent Substances 0.000 description 1
• 238000011109 contamination Methods 0.000 description 1
• 229910052802 copper Inorganic materials 0.000 description 1
• 238000010828 elution Methods 0.000 description 1
• 230000003628 erosive effect Effects 0.000 description 1
• 229910001385 heavy metal Inorganic materials 0.000 description 1
• 238000007654 immersion Methods 0.000 description 1
• 238000009413 insulation Methods 0.000 description 1
• 229910052742 iron Inorganic materials 0.000 description 1
• 239000007788 liquid Substances 0.000 description 1
• 238000005259 measurement Methods 0.000 description 1
• 230000008018 melting Effects 0.000 description 1
• 238000002844 melting Methods 0.000 description 1
• 238000000034 method Methods 0.000 description 1
• 208000014451 palmoplantar keratoderma and congenital alopecia 2 Diseases 0.000 description 1
• 230000001737 promoting effect Effects 0.000 description 1
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1