Two-bar thermal ratcheting for alloy 617 - Part II: Ratcheting results

Yanli Wang; T. L. Sham; R. I. Jetter

doi:10.1115/1.4028476

Two-bar thermal ratcheting for alloy 617 - Part II: Ratcheting results

Yanli Wang, T. L. Sham, R. I. Jetter

Mechanical Behaviors and Mechanics

Research output: Contribution to journal › Article › peer-review

5 Scopus citations

Abstract

This is Part II of a study on two-bar thermal ratcheting for Alloy 617. The ratcheting strains were evaluated for conditions with the same temperature range but with different mean stresses, heating and cooling rates, time delays, and thermal histories. These testing conditions were designed to be closely aligned to the development of design rules for strain limits at very high temperatures for Alloy 617. These new design rules have been formulated to address the fact that the effects of plastic deformation and creep deformation on the ratcheting strains are not separable at very high temperatures for this alloy.

Original language	English
Article number	031009
Journal	Journal of Pressure Vessel Technology, Transactions of the ASME
Volume	137
Issue number	3
DOIs	https://doi.org/10.1115/1.4028476
State	Published - Jun 1 2015

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title = "Two-bar thermal ratcheting for alloy 617 - Part II: Ratcheting results",

abstract = "This is Part II of a study on two-bar thermal ratcheting for Alloy 617. The ratcheting strains were evaluated for conditions with the same temperature range but with different mean stresses, heating and cooling rates, time delays, and thermal histories. These testing conditions were designed to be closely aligned to the development of design rules for strain limits at very high temperatures for Alloy 617. These new design rules have been formulated to address the fact that the effects of plastic deformation and creep deformation on the ratcheting strains are not separable at very high temperatures for this alloy.",

author = "Yanli Wang and Sham, \{T. L.\} and Jetter, \{R. I.\}",

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AB - This is Part II of a study on two-bar thermal ratcheting for Alloy 617. The ratcheting strains were evaluated for conditions with the same temperature range but with different mean stresses, heating and cooling rates, time delays, and thermal histories. These testing conditions were designed to be closely aligned to the development of design rules for strain limits at very high temperatures for Alloy 617. These new design rules have been formulated to address the fact that the effects of plastic deformation and creep deformation on the ratcheting strains are not separable at very high temperatures for this alloy.

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ER -

Two-bar thermal ratcheting for alloy 617 - Part II: Ratcheting results

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