Production of high strength carbide fibers by heat treatment

Details Production of high strength carbide fibers by heat treatment Production of high strength carbide fibers by heat treatment

1973-03-27

1976-07-27

Woo, Jay H.

Plastic and nonmetallic article shaping or treating: processes

Applying tensile stress to workpiece during heat curing

264346, 264DIG19, 423291, 423345, B29C 2500

Patent

active

039718409

ABSTRACT:
A process for strengthening carbide fibers by removing internal stresses caused by their formation. This process is accomplished by drawing the carbide fiber under tension through a furnace. The temperature of the furnace may range from about 2050.degree. to 2300.degree.C while the fiber tensile stress may vary from about 200 to 3500 p.s.i. when using boron carbide fibers with diameters ranging from about 8 to 14 microns.

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