Room-Temperature Tensile Behavior of <100> Oriented Tungsten Single Crystals with Rhenium in Dilute Solid Solution
Abstract
Tungsten single crystals oriented in the <100> direction with rhenium contents from 0 to 9 atomic percent were deformed in tension at room temperature. The addition of rhenium drastically affected the tensile behavior of these crystals was determined. Rhenium additions increased the proportional limit stress and decreased both the flow stress and the rate of work hardening. In addition, discontinuous yielding and necking during deformation were observed in crystals containing 5 atomic percent or more rhenium. Necking was not observed in unalloyed <100> oriented crystals. While deformation in the unalloyed <100> oriented crystals apparently involved both {110} and {112} slip, crystals with rhenium contents of 5 atomic percent or more deformed primarily by {112} slip. Traces attributable to {110} slip were found only in the work-hardened necked region of the 9 atomic percent rhenium crystals. The tensile behavior of these rhenium-containing crystals was similar to that of <110> oriented unalloyed tungsten crystals.
Document Details
- Document Type
- Technical Report
- Publication Date
- Jan 01, 1966
- Accession Number
- ADA453910
Entities
People
- M. Garfinkle
Organizations
- National Aeronautics and Space Administration