Corrosion Research at the Materials Technology Institute 2009

Corrosion Research at the Materials Technology Institute 2009 NACE Regional Pittsburgh Tony Scribner

Summary § Brief History § Organization § Key Benefits 12/5/2020 MTI presentation 2

A Brief History of MTI § 5 Guys in a Bar § NACE 1975 Toronto § Discussing Major Problem Areas § Inadequate Resources § Result—Frustration, then an Idea! 12/5/2020 MTI presentation 3

Frustration—Then An Idea! § Why Not Pool Funds for Solving Generic Problems? § And the Rest is 35 Years of History! 12/5/2020 MTI presentation 4

MTI Staff 6 Directors § Tony Scribner, WV § Barry Greene, NJ § Emory Ford, MA § Galen Hodge, IN § Heather Stine, NH § Jim Macki, WA St. Louis Office § Debby Ehret § Lori Elgin § Katherine Reinecke Staff Consultant § Jesse Chen 12/5/2020 MTI presentation 5

Operating Philosophy Members define activities § Staff helps make it happen Avoid “staff driven” Require “champions” § Operating mode is “town meeting” § Technical issues—TAC’s, PDC’s, & PT’s 12/5/2020 MTI presentation 6

Some of the Current Programs at MTI § Terahertz Imaging to Identify Defects in FRP and Detect CUI § Guidelines for Assessing Fire and Explosion Damage – 2 nd Edition of Publication No. 30 § Operation, Maintenance and Repair of Glass Lined Equipment 12/5/2020 MTI presentation 7

Some of the Current Programs at MTI Page 2 § Understanding Metal Dusting and the Development of MD Resistant Alloys § Detection of Hydrogen in Titanium § Improvements in Metal Casting Quality 12/5/2020 MTI presentation 8

Terahertz Imaging to Detect Damage in FRP Structures and Detect CUI § Program just finishing at RPI to leverage the THz imaging technology used in security programs to CPI use. § Detection of laminar defects in FRP in a manner similar to that used by NASA on the Space Shuttle § Detection of corrosion under insulation 12/5/2020 MTI presentation 9

Detection of 0. 010 Inch Thick Laminar Defect in Polyester Resin FRP 12/5/2020 MTI presentation 10

Detection of Corrosion Under Insulation 12/5/2020 MTI presentation 11

Detection of Corrosion Under Insulation 12/5/2020 MTI presentation 12

Guidelines for Assessing Fire and Explosion Damage § § First published 1990 2 nd Printing 1992 Incorporated into API 579 Expanded 2 nd Edition now in preparation 12/5/2020 MTI presentation 13

Arson and Sabotage § Must never be mentioned lightly § Turns an incident site into a crime scene § Most companies hate to talk about it for fear of copycats § More common than one might think 12/5/2020 MTI presentation 14

Arson and Sabotage 12/5/2020 MTI presentation 15

Arson and Sabotage 12/5/2020 MTI presentation 16

Storm Damage § Notorious 2005 Hurricane season made it clear that storm damage assessment was as important as fire or explosion damage assessment § Storm damage assessment similar to fire damage assessment § Balance early return to service with safe reliable operation 12/5/2020 MTI presentation 17

Storm Damage 12/5/2020 MTI presentation 18

Wind Damage 12/5/2020 MTI presentation 19

Operation, Maintenance and Repair of Glass Lined Equipment § New book that has just been published § Written by industry experts § Details inspection and assessment of GLS § Liberally illustrated with repair types and repair instructions 12/5/2020 MTI presentation 20

Installation of One Piece Agitator 12/5/2020 MTI presentation 21

Describes the Various Failure Modes Example of Thermal Shock 12/5/2020 MTI presentation 22

Illustrated Repair Techniques 3 Piece Plug 12/5/2020 MTI presentation 23

Illustrated Repair Techniques Plug Installation 12/5/2020 MTI presentation 24

Illustrated Repair Techniques Plug Installation 12/5/2020 MTI presentation 25

Understanding Metal Dusting § Expert review of the various theories that are used to explain metal Dusting § JV with the National Laboratories for modeling Metal Dusting § Testing of various alloys for resistance to Metal Dusting § Development of a new alloy 12/5/2020 MTI presentation 26

Understanding Metal Dusting 12/5/2020 MTI presentation 27

Metal Dusting Alloy Testing 12/5/2020 MTI presentation 28

Metal Dusting Alloy Development Argonne National Laboratory § § § Cr Al Zr Y Fe Ni 12/5/2020 25% 3% 0. 1% < 1% Bal MTI presentation 29

Continuing Research into Metal Dusting § Understand the effects of additives to the gas streams to slow or eliminate metal dusting § Understand the effects of surface coatings that either protect the metal surface or poison the metal dusting reaction. 12/5/2020 MTI presentation 30

Detection of Hydrogen in Titanium § Hydrided titanium can be “glass” brittle § It looks the same as non-hydrided titanium § MTI members would like a simple NDT technique to be able to detect hydriding 12/5/2020 MTI presentation 31

Detection of Hydrogen in Titanium 12/5/2020 MTI presentation 32

Detection of Hydrogen in Titanium § Contracted to develop a simple tool to detect hydrogen § Electrical resistance change based § Technique has led to another, alternative technique that may be more sensitive 12/5/2020 MTI presentation 33

Casting Quality Prediction § Problems: § Presence of intergranular solidification shrink that X-rays can not find. § This produces leaks when in service. § Reduces yield of casting process § Need: § Quantitative process to predict formation of shrink and how to correct. 12/5/2020 MTI presentation 34

Casting Quality Prediction Leak §. M 35 -1 Casting 12/5/2020 MTI presentation 35

Niyama Values in Region of Leak Nymin = 0. 58 ID Nymin = 0. 69 mid-plane OD mid-plane Niyama values are in units of (°C-s)1/2/mm 12/5/2020 MTI presentation 36

Casting Quality Prediction § Objectives of Program § Create data necessary for all important CPI alloys § Develop a procedure that can be used to validate the capability of a foundry to use the Niyama simulation 12/5/2020 MTI presentation 37

MTI Sponsored Research § Projects that improve industrial competitiveness § Covers a wide variety of subjects that are important to members § Done by pooling funding to develop and understand materials and corrosion issues that are of common interest § Membership is open to all companies. 12/5/2020 MTI presentation 38