PL79792B1 - - Google Patents

Info

Publication number

PL79792B1

PL79792B1 PL142348A PL14234870A PL79792B1 PL 79792 B1 PL79792 B1 PL 79792B1 PL 142348 A PL142348 A PL 142348A PL 14234870 A PL14234870 A PL 14234870A PL 79792 B1 PL79792 B1 PL 79792B1

Authority

PL

Poland

Prior art keywords

thermo

metal objects

chemical treatment

treatment

heat

Prior art date

1970-07-29

Links

• Espacenet
• Global Dossier
• Discuss

• 239000002184 metal Substances 0.000 claims description 10
• 239000000126 substance Substances 0.000 claims description 10
• 238000000034 method Methods 0.000 claims description 6
• 210000002381 Plasma Anatomy 0.000 claims description 3
• 238000009792 diffusion process Methods 0.000 claims description 2
• 238000010438 heat treatment Methods 0.000 description 5
• 238000005121 nitriding Methods 0.000 description 2
• IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
• 229910000831 Steel Inorganic materials 0.000 description 1
• 238000004140 cleaning Methods 0.000 description 1
• 238000001816 cooling Methods 0.000 description 1
• 239000000110 cooling liquid Substances 0.000 description 1
• 238000003379 elimination reaction Methods 0.000 description 1
• 239000007789 gas Substances 0.000 description 1
• 238000004519 manufacturing process Methods 0.000 description 1
• 229910052757 nitrogen Inorganic materials 0.000 description 1
• 239000011241 protective layer Substances 0.000 description 1
• 238000003303 reheating Methods 0.000 description 1
• 239000010959 steel Substances 0.000 description 1
• 238000004381 surface treatment Methods 0.000 description 1