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AMPP SP0170 provides guidance on the sensitization temperature range for common stainless steel grades. There is evidence from observations made in operating plants that these current temperature ranges might be overly conservative. This project will focus on reevaluating the long-term minimum temperature limits for sensitization of chemically stabilized stainless steel grades, 321 and 347. The aim is to determine if a higher minimum sensitization temperature can be supported from recent technical ...
last person joined 8 days ago
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.
last person joined one month 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.
last person joined 7 days ago
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 ...
last person joined 23 days ago
Develop Surface Modification Guide that focus on the application in the process industry. This guide shall cover the latest developments used in shops that are valuable for process industry applications. Conventional techniques, as well as new technology such as laser cladding, high velocity oxygen Fuel, diamond like PVD coatings will be included. Topics to be included in this Guide are descriptions of techniques and technology, wear mechanisms, selection criteria, QA/QC guidance for new equipment ...
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 ...
last person joined 2 months ago
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 ...
last person joined 3 months ago
Review and update existing MTI publication R-17 to include and/or reference current testing practices and acceptance criteria. identify procedures for testing elastomers for specific services and applications. Many of which may exist but not in one place.
last person joined 14 days ago
An Alloy 625 vessel with heads, piping, welds, and flanges that was operated at the lower temperature regime of the TTT curve with exposure of about 40,000 hours has been removed from service and is available for metallurgical analysis. The project objective is to create an addendum to the Atlas of Microstructures for 625 with analysis of this material that would document the microstructure of this alloy with actual long term service exposure at moderate temperature.
last person joined 21 days ago
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.
Provide the industry with a comprehensive, introductory and overview book on ceramics and refractories for the Chemical Process Industry (CPI). A book will be written on new design and construction, repairs and inspections for all types of ceramic materials including acid brick, carbon brick, castables, ceramic fiber, graphite, high temp refractory, rammed materials, anchor, linings and ferrule materials. Installation and Inspection will also be covered. Each topic will be given approximately ...
last person joined one year ago
last person joined 28 days ago
The book, “MTI MANUAL NO. 8 FRACTURE CONTROL FOR THE CHEMICAL PROCESS INDUSTRIES” by D. Broek was published in 1983. It is a very instructive book aimed at providing a solid understanding and appreciation of the basics of fracture mechanics and its use to a technical audience not expert in this technology. Many technical developments in the use of fracture mechanics applied to process equipment have occurred in the 40 years since the 1983 publication. This book is of high quality and explains ...
last person joined 29 days ago
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.
Rotating equipment components often have long lead time due to complexities of the design. Many components are manufactured through a combination of casting and/or complex machining. Economic pressures have resulted in the consolidation of many OEM manufacturers, with globalized supply chain leading to additional consolidation of manufacturing capabilities. Advancements in 3D Digital Reproduction and Additive Manufacturing offer potential alternatives to address these issues by providing alternative ...
Polymeric coatings for protection of carbon steel may to be a protentional solution for solving several corrosion problems for biounits and pretreatment unit fuels. The suitability of such coating solutions shall be addressed in this project.
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