Journal ArticleDOI
Activation energy for superplastic deformation of in718 superalloy
TLDR
In this article, the authors evaluated the constitutive relationship for superplastic deformation of IN718 superalloy after prestraining, and the results showed that the s-−strain rate (SRS) data obtained beyond a certain strain level represent a reasonable steadystate condition.About:
This article is published in Scripta Materialia.The article was published on 2000-08-01. It has received 38 citations till now. The article focuses on the topics: Superplasticity & Strain rate.read more
Citations
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Journal ArticleDOI
Deformation characteristics of isothermally forged UDIMET 720 nickel-base superalloy
TL;DR: In this article, the hot deformation behavior of nickel-base superalloy UDIMET 720 in solution-treated conditions, simulating the forging process of the alloy, was studied using hot compression experiments.
Journal ArticleDOI
Hot deformation and processing maps of Inconel 690 superalloy
TL;DR: In this paper, the hot deformation behavior of Inconel 690 has been investigated by means of hot compression tests in the temperature range of 950-1200 °C and strain rate range of 0001-10 ǫs −1, with a peak efficiency of power dissipation of 039, and a small regime of flow instability was noticed at low temperature and high strain rate.
Journal ArticleDOI
Hot deformation characterization of nickel-based superalloy UNS10276 through processing map and microstructural studies
TL;DR: In this article, the deformation characteristics of nickel-based superalloy UNS10276 at elevated temperature were investigated by employing hot compression tests at temperatures of 950-C-1250-C and strain rates between 0.1-0.9.
Journal ArticleDOI
Hot deformation behavior of GH4169 superalloy associated with stick δ phase dissolution during isothermal compression process
TL;DR: In this article, a constitutive equation represented as a function of temperature, strain rate and true strain was developed, and the hot deformation apparent activation energy is calculated about 523kJ/mol.
Journal ArticleDOI
High temperature deformation behavior of hot isostatically pressed P/M FGH4096 superalloy
TL;DR: In this paper, the deformation behavior of hot isostatically pressed (HIPd) P/M superalloy FGH4096 was characterized by isothermal compression testing in the temperature range of 1050-1140°C and strain rate range of 0.002-1.
References
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Book
Smithells metals reference book
TL;DR: In this paper, the authors present an X-ray analysis of metallic materials and their properties, such as elastic properties, damping capacity and shape memory alloys, as well as their properties of metal and alloys.
Book
Mechanical Behavior of Materials
TL;DR: In this paper, an overview of mechanical behavior is presented, including Elastic Behavior, Dislocations, Plastic Deformation in Single and Polycrystalline Materials, Strengthening of Crystalline materials, Composite Materials, Fracture Mechanics, Toughening Mechanisms and the Physics of Fracture.
Journal ArticleDOI
Experimental constitutive relations for the high temperature deformation of a PbSn eutectic alloy
B.P. Kashyap,G.S. Murty +1 more
TL;DR: In this article, the high temperature steady state deformation behavior of PbSn eutectic alloy was investigated over wide ranges of grain size (9.7 − 32.0 μm), temperature (298 − 443 K) and strain rate (10 −7 − 10 −2 s −1 ), after stability of microstructure and strength had been achieved through prior tensile deformation.
Journal ArticleDOI
The deformation mechanisms of superplasticity
TL;DR: In this paper, the authors considered various deformation mechanisms for superplastic deformation and showed that grain boundary sliding is the major deformation mode, but the sliding rate should be governed by the lesser rate of dislocation creep within the grains.