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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 ...
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 3 days ago
NH3-cracking is very different from NH3-synthesis and any ranking of materials regarding resistance against NH3-cracking is almost unknown, because of the higher temperatures (600-900°C) and much higher nitriding potentials. This project aims describe the nitriding effects - and what can be done to prevent/delay those - in 100% NH3 (with and without 0,2% water) during the process step of pre-heating the ammonia at temperatures between 200 and 550°C. Nitriding experiments under pressurized conditions ...
NH3-cracking is very different from NH3-synthesis and any ranking of materials regarding resistance against NH3-cracking is almost unknown, because of the higher temperatures (600-900°C) and much higher nitriding potentials. This project aims describe the nitriding effects - and what can be done to prevent/delay those - in 100% NH3 (with and without 0,2% water) between 200 and 550°C. Nitriding experiments under pressurized conditions shall be undertaken to determine the resistance of various alloys. ...
last person joined one month ago
This project will search for a firm that is able to non-destructively detect titanium hydriding in plant equipment. Past MTI titanium hydride projects looked at one specific method with the aim to adapt the method to identify titanium hydriding. This project has a much broader perspective aiming to test all techniques that have the potential to detect titanium hydriding. Industry information suggests that a method already exists. A few companies indicate they can non-destructively detect titanium ...
last person joined 7 days ago
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. ...
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project team formed to develop continuing dual laminate and FRP inspection training - initially plan for 2026 and tentatively every two years thereafter.
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There are restrictions for in-service welding on carbon steel for external attachments used in alkaline service because cracking can occur with the residual stress contributed by welding when in contact with the process fluid. There is belief that in-service welding could be possible for these situations if the wall thickness is great enough so that the stress field due to welding does not reach the I.D. surface in contact with the process, and PWHT would not be required. The project objective ...
last person joined 14 days ago
Phase 1 (MTI project #386) qualified an additive material manufacturing procedure using the Gas Metal Arc Directed Energy Deposition method (GMA-DED) and ER-2594 wire filler metal (equivalent to super duplex stainless steel UNS S32750) per the requirements of sections 1-4 and 6 in ASME Code Case and ASME Section IX, Part QW, Article VI suitable for equipment fabrication. The Phase 2 project objective is to use the results from Phase 1 to fabricate a small ASME vessel with a combination of wrought ...
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. 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.
The project objective is to investigate the relationship between various shot peening parameters on the galling and corrosion resistance of select nickel-based alloys.
The objective of this project is to identify corrosion data for aqueous lithium halide systems useful for CPI processes that is not available in the literature. Laboratory corrosion tests will be funded to create the needed data for use by MTI members.
last person joined 3 months 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.
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