PL38538B1 - - Google Patents
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- Publication number
- PL38538B1 PL38538B1 PL38538A PL3853854A PL38538B1 PL 38538 B1 PL38538 B1 PL 38538B1 PL 38538 A PL38538 A PL 38538A PL 3853854 A PL3853854 A PL 3853854A PL 38538 B1 PL38538 B1 PL 38538B1
- Authority
- PL
- Poland
- Prior art keywords
- rods
- wires
- cooled
- subjected
- diameter
- Prior art date
Links
- 238000000034 method Methods 0.000 claims 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims 2
- KMUONIBRACKNSN-UHFFFAOYSA-N potassium dichromate Chemical compound [K+].[K+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O KMUONIBRACKNSN-UHFFFAOYSA-N 0.000 claims 2
- 229910000952 Be alloy Inorganic materials 0.000 claims 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims 1
- 229910000881 Cu alloy Inorganic materials 0.000 claims 1
- 239000010949 copper Substances 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 claims 1
- 238000010791 quenching Methods 0.000 claims 1
- 230000000171 quenching effect Effects 0.000 claims 1
- 238000005496 tempering Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
Description
Opublikowano dnia 25 listopada 1957 r. 4 6 %iiUJ09 3IBLIOTEKa| ' Urr^'!j ^itenlowego ]\(:'M"'J.'-.»,.^'^litf|LlI PL
Claims (2)
- Zastrzezenia patentowe 1. Sposób obróbki pretów i drutów ze stopów miedzi i berylu, znamienny tym, ze prety i druty wytworzone znanymi sposobami pod¬ daje sie zgniotowi na goraco w granicach 15—25%, po czym poddaje sie je dwustopnio¬ wej obróbce cieplnej, .polegajacej na harto¬ waniu i odpuszczaniu, przy czym hartuje sie je w temperaturze 800 + 10 °C i ogrzewa w ciagu 1—2 godzin zaleznie od srednicy pre¬ tów, a nastepnie chlodzi sie w wodzie oraz odpuszcza w temperaturze 310—340 °C w cia¬ gu 2—3 godzin, zaleznie od srednicy obrabia¬ nych pretów po czym chlodzi sie je na powietrzu.
- 2. Sposób wedlug zastrz. 1, znamienny tym, ze w celu nadania pretom i drutom czystej zlocistej barwy trawi sie je w 15%-wym roz¬ tworze kwasu siarkowego z dodatkiem 5% dwuchromianu potasu w temperaturze 50 °C w ciagu 10—15 minut. Instytut Metali Niezelaznych RSW „Prasa" W-wa, Okopowa 58/72. Zam. 1293 A Pap. druk. sat. ki. III 70 g. 100 egz. PL
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL38538B1 true PL38538B1 (pl) | 1955-06-15 |
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