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No tool exist for predicting the corrosivity in the aqueous streams in renewable fuel processing units. The aqueous phase contains a combination of chemicals (CO, CO2, H2S, NH3 and HCl) which are all outside of the existing available models. The goal is to better understand the limits for corrosion resistant alloys under the aqueous conditions present in renewable fuel processing units
last person joined 3 months ago
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The objective of this project is to produce an atlas for alloys C-22, C-2000, 59 and 686 microstructures that clearly identifies the phases that occur in the alloy. The thermo-mechanical processing and welding that produced the microstructure will be properly documented with each case. The microstructural cases will be correlated with published or computer generated TTT data to explain the presence of each phase.
The objective of this project is to characterize the metallurgical condition and mechanical properties of AISI 304 stainless steel that has been aged continuously at 430 degrees C. for about 410,000 hours.
last person joined 2 months ago
Study the corrosion behavior of bio-oil under low temperature conditions where carbon steel, low-alloy, and 3XX materials may or may not have acceptable corrosion rates. Additional work includes a surface corrosion study and report of Phase 0, Phase 1, and Phase 2 coupons.
update of previous publication on plastic lined pipe to include ASME updates and housing materials other than metallic
last person joined 21 days ago
Develop design methodology for FRP lap joint flanges. once a design methodology is developed Flanges shall be validated via FEA and pressure testing
last person joined 27 days ago
Guidelines for evaluating equipment used in manufacturing of chemicals used in the high purity industry.
last person joined 29 days ago
This project is intended to evaluate the relative corrosion resistance of unique alloys and hardfacings used in polymer extrusion equipment. A design of experiments to cover 3 chemical process environments involving alloys typically used in extruders. The primary benefit of completing this project is the creation of consistent corrosion data that can be used to make informed choices for polymer processing equipment materials for mildly corrosive polymer processing - improving equipment reliability and uptime.
last person joined one month ago
Determine what is the maximum rate of temperature change without damage to the lining system via FEA modeling. There is minimum adhesion values provided in various publications and standards. ASME RTP-1 Mandatory Appendix M-12 provides values in M12B-614.4 for thermoplastic linings on FRP substrates. Adhesion strength testing on carbon steel in accordance with ASTM D903 and D1781. These values shall be the basis to determine onset of failure using FEA modeling.
Evaluation of Fiber Optic High Temperature Multiplexing Sensing Technologies for Continuous Metal Temperature Monitoring in CPI and Refinery Applications. Evaluate sapphire fiber optical technology with Fabry-Perot interferometer, Fiber Bragg Grating, Rayleigh Scattering-Based Sensors using annealed silica fiber, and other viable fiber optic technologies to make high temperature measurements suitable for CPI process operations. Evaluate methods of instrument installation on existing tubes/equipment (ability to fit fiber optics to existing tubes in furnaces), viability of casting instruments into tubes, theoretical explanation and practical substantiation of the available techniques, technical maturity and implementation durability, and economic feasibility.
Create a guideline for failure mechanisms in the pulp and paper industry. This reference will include generic pulp and paper unit Process Flow Diagrams with the applicable damage mechanisms for each system in the process. Specifically, it will include the following mechanisms which are not available elsewhere: - Continuous Digester Caustic Stress Corrosion Cracking inspection techniques and repairs - Sulfur Stress Corrosion Cracking (Turpentine Systems) - Stress Assisted Corrosion - Recovery Boiler Tube Near Drum Corrosion - Flow Accelerated Corrosion - Digester blowline damage mechanisms - Batch Digester / Hot Plate Corrosion update - GRP/FRP equipment damage mechanisms - Black Liquor Recovery Boiler mechanisms
The project proposes an investigation of stainless steels corrosion resistance to Pitting, Crevice and SCC resistance in temperatures above 90oC (194oF) and low chloride amounts. The aim is to complete the existing engineering diagrams defining the temperature-chloride content boundaries for these corrosion mechanisms.
last person joined 4 months ago
A concise book on new design and construction, repairs, installation, and inspections for high temperature ceramic materials including castables, ceramic fiber, high temp refractory, rammed materials, anchor, linings and ferrule materials. Produce a text providing introductory discussions on high temperature ceramic materials (excluding electronics) in MTI Member facilities. Include general description, common installation methods, inspection recommendations applicable during installation and maintenance. Gather input from industry leaders as research to produce each segment.
Produce a catalogue of a variety of NDE responses (ToFD, ,PAUT, TFM/FMC) with corresponding metallographic characterization of carbon steel and carbon 1/2 moly HTHA specimens. Focus will be on incipient damage and HTHA with inclusions ad weld defects and other inclusions.
There are numerous standard ASTM test methods for determining the relative resistance of materials or surface treatments to impingement, dry sliding wear, and wet reciprocating wear, however, there is no established correlation between a material’s mechanical properties and its wear resistance. The relationship between such wear tests and actual wear performance in equipment is unclear. The objective of this project is to develop approaches to predict wear rates for a range of materials frequently used in the process industries over a range of abrasion Indices and different types of wear.
Additive Manufacturing (AM) provides designers the ability to build parts directly from computer-aided design (CAD) files. Metal AM technology is rapidly maturing and offers a range of benefits to reduce cost, schedule and increase performance of Boiler and Pressure Vessel (BPV) systems. The impact to the BPV industry has been limited by the availability of standards. The project objective is to use this effort to validate the qualification for materials used in fabrication of BVP equipment. This project will be authorized in two phases: Phase 1: Qualify an additive material manufacturing procedure using GMA-DED method and ER-2594 filler metal in accordance with the requirements of Section 6 in ASME Code Case (Record Number 22-1598) and ASME Section IX, Part QW, Article VI. Phase 2: Fabricate a test pressure vessel with the Phase 1 results and test it according to MTI provided design using GMA-DED in compliance with ASME Code Case (Record Number 22-1598) sections 1-14 requirements, and supplemental MTI requested test methods.
ASSET (Alloy Selection System for Elevated Temperature) is a powerful high temperature corrosion prediction program that was developed in a JIP with MTI, Shell and others with DOE funding in 2000-2005. Action is required to update the software and improve its functionalities so that it can continue to be of value to MTI members.
PSA (pressure swing adsorption) pressure vessels are often used in the purification of hydrogen after syngas production. These vessels are manufactured from carbon steel and are welded in accordance to design codes and standards. Due to fluctuations in pressure, these vessels are usually affected by fatigue damage which can be accelerated due to exposure to hydrogen. The purpose of this project is to establish a relevant materials database for PSA steel in hydrogen that will be useful for predicting performance and lifetime.
This project follows the completed project 356 which produced an analysis of the existing literature on this topic and guidance on an experimental plant to determine the remaining lifetime of components composed of Alloy 20Cr32Ni after aging at high process temperature. The objective of this project is to conduct an experimental evaluation of this alloy following aging in a process environment to determine remaining utility for further plant service.
last person joined 2 days ago
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