Zobrazeno 1 - 10 of 73 pro vyhledávání: '"Calvin M. Stewart"'
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Akademický článek
Local composition control using an active-mixing hotend in fused filament fabrication
Autor: Joshua T. Green, Ian A. Rybak, Jonathan J. Slager, Mauricio Lopez, Zachary Chanoi, Calvin M. Stewart, Roger V. Gonzalez
Publikováno v: Additive Manufacturing Letters, Vol 7, Iss , Pp 100177- (2023)
Additive manufacturing with local composition control is uniquely suited for the development and exploration of advanced materials with compositionally graded structures. A fused filament fabrication printer was designed with in situ composition cont
Externí odkaz: https://doaj.org/article/37827863fde64a7fa4e2ad5d4dfe8045
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3
A Reduced Order Modeling in Finite Element for Rapid Qualification of Creep-Resistant Alloys
Autor: Md Abir Hossain, Calvin M. Stewart
Publikováno v: Volume 2: Computer Technology and Bolted Joints; Design and Analysis.
This study outlines the application of a Reduced Order Modeling (ROM) approach for the probabilistic creep response of components subject to creep conditions. Time-dependent creep damage is unavoidably inflicted in elevated temperature. Typical opera
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::addb7323a4b12185f7828d96a3ba89da
https://doi.org/10.1115/pvp2022-82065
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4
A Datum Temperature Calibration Approach for Long-Term Minimum-Creep-Strain-Rate and Stress-Rupture Prediction Using Sine-Hyperbolic Creep-Damage Model
Autor: Md Abir Hossain, Mohammad Shafinul Haque, Calvin M. Stewart
Publikováno v: Volume 4A: Materials and Fabrication.
This study introduces a datum temperature (DT) calibration approach for improved extrapolation of minimum-creep-strain-rate (MCSR) and stress-rupture (SR) data. The ASME B&PV code III outlines stringent requirements for the approval of materials wher
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bf0751f7868e27b5de75b3bdc46d06a1
https://doi.org/10.1115/pvp2022-82064
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5
A Machine Learning Approach for Stress-Rupture Prediction of High Temperature Austenitic Stainless Steels
Autor: Md Abir Hossain, Adan J. Mireles, Calvin M. Stewart
Publikováno v: Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications.
This study outlines a machine learning approach for long-term stress-rupture (SR) prediction of high temperature austenitic stainless steel. Traditional methods of lifetime estimation and alloy design for turbomachinery application rely mostly on rep
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b8e2761d94f63b9114e65258875e2fbd
https://doi.org/10.1115/gt2022-84352
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7
Accelerated Creep Test Qualification of Creep-Resistance Using the Wilshire–Cano–Stewart Constitutive Model and Stepped Isostress Method
Autor: Jaime A. Cano, Calvin M. Stewart
Publikováno v: Journal of Engineering for Gas Turbines and Power. 144
In this study, a qualification of accelerated creep-resistance of Inconel 718 is assessed using the novel Wilshire–Cano–Stewart (WCS) model and the stepped isostress method (SSM) and predictions are made to conventional creep data. Conventional c
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a5827a0ec79f37bad6673d6293ca0a22
https://doi.org/10.1115/1.4052205
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8
An Extrema Approach to Probabilistic Creep Modeling in Finite Element Analysis
Autor: Abir Hossain, Jacqueline R. Cottingham, Calvin M. Stewart
Publikováno v: Journal of Engineering for Gas Turbines and Power. 144
This paper introduces a computationally efficient extrema approach for the probabilistic predictions of creep in finite element analysis (FEA). Component-level probabilistic simulations are needed to assess the reliability and safety of high-temperat
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d6379293597344e6764f9c5f569664a4
https://doi.org/10.1115/1.4052260
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10
Calibration of CDM-Based Creep Constitutive Model Using Accelerated Creep Test (ACT) Data
Autor: Robert Mach, Jacob Pellicotte, Calvin M. Stewart, Abir Hossain
In conventional creep testing (CCT) a specimen is subject to constant load and temperature for a long-duration until creep rupture occurs. Conventional testing can be costly when considering the number of experiments needed to characterize the creep
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e8838b6d7ecb32065a831133aad3349e
https://doi.org/10.1115/1.0003062v
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