| 摘要 |
Mfr. of an enclosing element, for contg. and allowing flow of fluid at above 850 degrees C. involves (a) coating a refractory metal alloy blank with a mineral (esp. glass) adhesive; (b) depositing one or more mineral (e.g. glass) films adapted to the material and the plasticity temp. of the blank; (c) heating the blank to its plasticity temp.; (d) deep drawing the blank to form the enclosing chamber; (e) deep drawing the chamber end to form internal or external folds; (f) cooling the product; and (g) heat treating. |
