FIELD: metallurgy.
SUBSTANCE: method involves hot forging of ingot, machining of surface, hot rolling, cold rolling at several stages with intermediate and final nonoxidation heat treatments. Hot forging is performed by heating to 1000-1200°C and total drawing of not more than 2.2 at each stage. Hot rolling is performed by heating to 900-1000°C with total drawing to 18 and single crimping of not more than 30%. Cold rolling is performed at several stages with deformation at each stage of 20-50% with intermediate and final nonoxidation heat treatments at 700-800°C.
EFFECT: improving mechanical properties of hafnium and quality of hafnium profile surface.
3 cl, 1 tbl, 1 ex
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD OF PRODUCING THIN SHEETS OF HAFNIUM WITH ISOTROPIC MECHANICAL PROPERTIES | 2020 |
|
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| PROCEDURE FOR FABRICATION OF PLATES OUT OF HAFNIUM | 2009 |
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| MANUFACTURING METHOD OF FLAT PROFILE FROM ZIRCONIUM ALLOYS | 2008 |
|
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| METHOD OF MANUFACTURING OF PIPE PRODUCTS OUT OF HAFNIUM | 2014 |
|
RU2564189C1 |
| METHOD OF MAKING RODS AND WIRES FROM HAFNIUM | 2020 |
|
RU2742176C1 |
| METHOD OF MANUFACTURING HIGH PRECISION TUBING FROM HAFNIUM | 2019 |
|
RU2707376C1 |
| METHOD OF MANUFACTURE OF THE FLAT SHAPE MADE OUT OF THE ZIRCONIUM-NIOBIUM ALLOYS | 2006 |
|
RU2310010C2 |
| METHOD FOR MANUFACTURING TUBULAR PRODUCTS FROM ZIRCONIUM ALLOY | 2019 |
|
RU2798021C1 |
| METHOD OF MANUFACTURE OF THE FLAT SHAPE MADE OUT OF THE ZIRCONIUM ALLOYS | 2006 |
|
RU2310009C2 |
| METHOD FOR MANUFACTURING TUBULAR PRODUCTS FROM ZIRCONIUM ALLOY | 2019 |
|
RU2798020C1 |
