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Thermomechanical Behavior of Advanced Manufactured Parts, Subcomponents, and Their Weldments for Gen3 CSP

Technical Report ·
DOI:https://doi.org/10.2172/2405940· OSTI ID:2405940
 [1];  [1];  [1];  [1];  [2];  [2];  [2];  [3];  [3];  [4];  [5];  [5]
  1. National Renewable Energy Laboratory (NREL), Golden, CO (United States)
  2. Colorado School of Mines, Golden, CO (United States)
  3. The Ohio State Univ., Columbus, OH (United States)
  4. NobelClad, Mount Braddock, PA (United States)
  5. Elementum 3D, Erie, CO (United States)
+ Show Author Affiliations

Generation 3 (Gen3) concentrating solar power (CSP) plants may require the use of molten chloride salt storage systems, solar receivers, and supercritical-CO2 primary heat exchangers (PHX). The temperatures that would be expected in these parts and subcomponents could approach 760°C for hot side and 500°C for cold side at peak operating conditions. With the design limitations, highly corrosion- and creep-resistant alloys are needed for maximizing component lives. This report presents the results for the project "Thermomechanical Behavior of Advanced Manufactured Parts, Subcomponents, and their Weldments for Gen3 CSP", award number DE-EE00036334. In this project, creep enhanced ferritic alloy Grade 91, austenitic stainless-steel (SS) 304H, Ni claddings Ni201 and C22, and nickel-based superalloys Inconel 740H and Haynes 282 and 230 were evaluated for potential applications in Gen3 CSP systems. Advanced manufacturing of these parts, subcomponents and their welds, was investigated and a full technoeconomic analysis was made in comparison to conventional manufacturing techniques. The manufacturing techniques explored are explosion clad welding and combustion synthesis/combustion reaction for transfer pipes, additive manufacturing (AM) including laser-powder bed fusion (L-PBF) and electron beam AM (EBAM) with wire feedstock for PHX and solar receivers, and conventional fusion welding for similar and dissimilar joining of these various parts and subcomponents.

Research Organization:
National Renewable Energy Laboratory (NREL), Golden, CO (United States)
Sponsoring Organization:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Renewable Power Office. Solar Energy Technologies Office
DOE Contract Number:
AC36-08GO28308
OSTI ID:
2405940
Report Number(s):
NREL/TP--5700-90336; MainId:92114; UUID:d5c486e6-721a-41ba-a26d-8ba2ab273607; MainAdminId:73126
Country of Publication:
United States
Language:
English

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Related Subjects

14 SOLAR ENERGY
CSP
Gen3
additive manufacturing
cladded pipe
concentrating solar power
high-nickel alloys
welding