FIELD: metallurgy.
SUBSTANCE: procedure for ageing parts of high precision instruments out of quenched alloy AK8M consists in two-stage ageing and cooling in air. The first stage of ageing is performed during 1.5 hours at temperature 140±5°C, while the second stage is performed during 3 hours at temperature 170±5°C.
EFFECT: raised strength without reduction of plasticity; upgraded reliability of parts.
1 tbl, 1 ex
| Title | Year | Author | Number |
|---|---|---|---|
| PROCEDURE OF QUENCHING CASTS OUT OF ALLOY AK8M | 2008 |
|
RU2385361C1 |
| METHOD OF THERMAL STABILISATION OF SIZES OF PRECISION INSTRUMENT PARTS FROM D20 HARDENED ALUMINIUM ALLOY | 2011 |
|
RU2461643C1 |
| PROCEDURE FOR TEMPERING CASTS OUT OF CAST ALLOY ON BASE OF ALUMINIUM AK7pch | 2008 |
|
RU2397273C1 |
| METHOD OF ANNEALING CASTINGS MADE FROM CASTABLE ALUMINUM ALLOYS AND HARDENED BY HEAT TREATMENT | 2006 |
|
RU2310695C1 |
| METHOD OF MAKING TUBES FROM Al-Zn-Mg-Cu-SYSTEM-BASED SUPERHARD ALUMINIUM ALLOYS | 2012 |
|
RU2480300C1 |
| METHOD OF TREATMENT OF CAST PARTS MADE FROM HIGH-TEMPERATURE NICKEL ALLOYS | 2006 |
|
RU2309191C1 |
| METHOD OF QUENCHING BLANKS FROM D16 ALUMINIUM ALLOY | 2011 |
|
RU2487961C2 |
| PROCEDURE FOR THERMAL TREATMENT OF HIGH-PRECISION PARTS OF ALLOY AK4-1 ch FOR STABILISATION OF THEIR DIMENSIONS | 2010 |
|
RU2434971C1 |
| METHOD OF EXTRUDING SEMIS OF HIGH-STRENGTH ALUMINIUM ALLOY AND PARTS THUS MADE | 2012 |
|
RU2492274C1 |
| METHOD OF HEAT TREATMENT OF ARTICLES MADE FROM HIGH-TEMPERATURE DEFORMABLE PRECIPITATION HARDENING NICKEL-BASED ALLOYS | 2004 |
|
RU2256723C1 |
