Abstract:
A method is disclosed for mechanically bonding a metal component to a ceramic material, comprising providing a metal component comprising an anchor material attached to at least a first portion of one surface of the metal component; providing a ceramic material having a first surface and a second surface, wherein the ceramic material defines at least one conduit extending from the first surface to the second surface, wherein the at least one conduit has a first open end defined by the first surface, a second open end defined by the second surface, a continuous sidewall and a cross sectional area; positioning the ceramic material such that at least a portion of the at least one conduit is in overlying registration with at least a portion of the anchor material; and applying a bonding agent into at least a portion of the at least one conduit.
Abstract:
A mold for shaping glass can be made by a method that includes providing a mold body having a shaping surface comprising at least about 90% nickel and modifying the composition of the shaping surface of the mold body by exposing the shaping surface to an oxidizing heat treatment. The oxidizing heat treatment may include a ramping heat treatment, a fixed heat treatment, or both the ramping heat treatment and the fixed heat treatment. The ramping heat treatment may include increasing a heating temperature at a rate from about 20°C/hour to about 500°C/hour to a temperature from about 700°C to about 1000°C. The fixed heat treatment may include holding the heating temperature from about 700C to about 1000°C for a holding time of at least about 5 minutes.
Abstract:
Methods and apparatus for convective heat treatment of thin glass sheets (17) are provided. The glass sheets (17) are held in a fixture (9) which has a processing volume (19) which has an open top and an open bottom. A bottom support system (15) supports the bottom edges of the glass sheets (17) without blocking a substantial portion of the processing volume's open bottom. A side support system (13) holds the vertical edge regions of the glass sheets during the convective heat treatment, thus reducing vibration and distortion (warp) of the sheets as a result of the heat treatment. The side support system (13) can include vertical members (33) having arms (37) that can include lips (73) for engaging the major surfaces of the glass sheets (17).