... was 0.024 mm/year and 0.24 mm/year respectively. laboratory testing simulated geothermal environment high temperature stress corrosion cracking UNS S31254 INTRODUCTION Fluid Chemistry Materials used in high temperature geothermal steam can be subjected to corrosion due to the chemical composition...

... of the appropriate sizes were prepared using water-jet cutting. LABORATORY TESTING METHODOLOGY In external service, coatings must be able to withstand the effects of weather, UV light and industrial or marine atmospheres and still maintain their protective qualities and an acceptable level of protection...

... are presented as well as phase calculations for sigma phase formation compared to practical experiences. CPI super austenitic stainless steel alloy 31plus sigma phase corrosion corrosion resistant alloy pitting laboratory testing nitrogen UNS N08031 phase calculation INTRODUCTION Nicrofer^®...

... inhibitor is fundamental to the integrity of a galvanic couple. galvanic corrosion inhibitors laboratory testing The test conditions are detailed as follows: Setting: Bubble cell test or coupon test Electrodes: SS 316 in ZRA1 CS 1018 in ZRA2 Calomel Reference Electrode Ti Auxiliary...

... of parameters which affect the performance of inhibitors ^{1 , 2 , 3} . These parameters may include, but not limited to: Abstract This study consists of introducing a new method that may be used to globally quantify the performance of a corrosion inhibitor in a laboratory testing program. For a given...

... at room temperature and 0°C. Paint Testing Polysiloxane Laboratory Testing Three-coat Two-coat Accelerated Weathering Prohesion Low temperature INTRODUCTION The paint used on above ground structures by TransCanada is currently a three-coat system. A laboratory study was conducted to examine...

... and fluid flow are accurately controlled and measured, including the cold side surface temperature of the test panel. Abstract The Atlas cell test (NACE TM0174) and the autoclave test (NACE TM0185) are laboratory tests that are regularly used to select internal linings for vessels and tanks used...

... blistering and/or adhesion loss. Tank Lining Protective Coating Laboratory Testing Cathodic Disbondment (CD) Atlas Cell Pressurized Atlas Cell Soak Adhesion Autoclave Electrochemical Impedance Spectroscopy (EIS) Non-Destructive Test (NDT) Comparison INTRODUCTION Coatings used for corrosion...

... cracking C-Ring test UNS N09925 UNS N07718 alloy 925 alloy 718 corrosion resistant alloy sour gas laboratory testing INTRODUCTION Today’s modern oil and gas producing installations with sour gas environments require alloys of high corrosion resistance and strength [ 1 ]. The more increasing...

... in the laboratory and/or in the field. Laboratory testing is often preferred rather than field testing in the actual service environment due to time, better control of many variables, and/or budget limitations. Laboratory evaluations may include accelerated tests that may generate results that have little...

... alkali sulfate content, surface temperature and alloy composition are related to corrosion behavior. Results from in situ plant exposures will also be discussed; the role of key alloying elements will be addressed. coal ash corrosion oxidation sulfidation alkali sulfates laboratory testing field...

... corrosion performance requirements. Abstract Laboratory corrosion tests are used in many ways. They can provide a simple basis for comparing the severity of corrosion of two or more materials in a simple standardized way. Laboratory testing can also be a convenient means for closely simulating service...

... characteristics will enhance one’s ability to predict service life and optimize performance for a given alloy range. To this end, a review of prior laboratory test programs was made and an in-house test environment chosen that best reflected the future boiler operating conditions of the European projects...

... the supply of sulfur to the metal surface and raises the melting point of the ash due to the formation of CaSO₄. ⁽²⁶⁾ In order to accelerate the corrosion with the aim to minimize the test times and to simulate a "worst case scenario", synthetic ashes are often used in laboratory tests...

...Abstract The crack growth kinetics and solution chemistry developed within environment-assisted cracks (EAC) grown in laboratory tests and long-term field exposures of high-strength Al-Zn-Mg-Cu alloys were assessed. For both test programs, peak-aged (T651) material exhibited crack growth kinetics...

... guidelines for the application of thermal spray coatings in the field. sour gas corrosion hydrogen damage pressure vessels steel amine thermal spray coatings laboratory testing field application experience Applicator Qualification Demonstration tests were performed prior to awarding the contract...

... application of corrosion inhibitor is used to control corrosion in the low alloy carbon steel lines. To improve the corrosion inhibition program we conducted laboratory testing of candidate inhibitors and compared them to the incumbent products currently in field use. The three techniques we used were...

... seawater and muds. This presentation reviews a number of current pitfalls encountered in the laboratory testing area, their possible serious consequences and recommendations therein. Actual examples are given for correct and erroneous use of results from laboratory testing. aluminum anodes laboratory...

... System It is clearly preferable to carry out laboratory tests which simulate conditions in service as accurately as possible. Using the high pressure rotating cylinder system allows testing of weldments to be carried out at high CO₂ or H₂S pressures. The use of a large diameter...

... for future products and 2) validation of a flowing mixed gas exposure as an accelerated laboratory test for such protective finishes. The flowing mixed gas chamber used was developed at Battelle Columbus Laboratories to provide an accelerated corrosion exposure for electronic materials that would duplicate...