Mechanical properties of Inconel 718 welds performed by gas tungsten arc welding

Volume: 94, Issue: 9-12, Pages: 3949 - 3961
Published: Sep 26, 2017
Abstract
Gas tungsten arc welding (GTAW) was used to join plates of Inconel 718. The mechanical properties were determined by tensile, microhardness, and instrumented Charpy impact tests. An ERNiFeCr-2 filler metal fed by a semi-automatic mechanism was used. Partial dissolution of the strengthening phases, γ′ and γ″, induced a soft region (~ 225 HV1.0) in the heat-affected zone (HAZ) during welding. The yield strength (371.3 MPa) of the as-welded joint...
Paper Details
Title
Mechanical properties of Inconel 718 welds performed by gas tungsten arc welding
Published Date
Sep 26, 2017
Volume
94
Issue
9-12
Pages
3949 - 3961
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