Testing for Corrosion
نویسنده
چکیده
21.
منابع مشابه
Laboratory Corrosion Testing of Medical Implants
Performance evaluation of implantable devices is not new to medical device manufacturers, specifically implant manufacturers. A focus on corrosion resistance of implant devices has prompted members of the medical device industry, along with the United States Food and Drug Administration [USFDA] to set forth a guide for performance testing. Although actual corrosion resistance of a material can ...
متن کاملProbability Approach for Prediction of Pitting Corrosion Fatigue Life of Custom 450 Steel
In this study, the pitting type of corrosion growth characteristics, fatigue crack initiation and propagation behavior; axial fatigue tests were carried out on precipitation hardened martensitic Custom 450 steel in the air and 3.5wt% NaCl solution. Using the ratio of the depth to the half-width of the pits; (a/c)= 1.5±0.2 the corrosion pit depth growth law was obtained as a function of stress a...
متن کاملUltrasonic Detection and Measuring of Isolated or Pitting Corrosion (ipc)
AS2542.3 (Determination of Thickness – Use of Ultrasonic Testing) states: “This standard specifies six methods for determination of thickness of material based on the use of ultrasonic pulse-echo principals where the scanning and reflecting surfaces are substantially parallel”. In many cases, the principals and procedures used in AS2452.3 are not applicable for the detection and measuring of is...
متن کاملThe Development of a Reproducible Screening Method to Determine the Mechanisms and Effects of Organic Acids and Other Contaminants on the Corrosion of Aluminum-finned Copper-tube Heat Exchanger Coils
Indoor corrosion failures of aluminum-finned copper-tube evaporator coils, and also in some systems without aluminum fins, is a menacing issue in the heating, ventilation, and air conditioning (HVAC) industry. Extensive laboratory testing has verified the development of a reproducible screening method to assess suspected contaminants of producing premature failures of copper tube resulting from...
متن کاملIn Vitro Degradation Behavior of Ternary Mg-Zn-Se and Mg-Zn-Cu Alloys as Biomaterials.
In this study, the corrosion behavior of Mg-Zn-Se and Mg-Zn-Cu alloys was investigated to evaluate their corrosion behavior related to use as implantable biomaterials. The corrosion behavior of these alloys and a commercially available Mg-Zn alloy were examined using static solution electrochemical testing, dynamic solution gravimetric testing, ion leaching testing, and microscopic evaluation. ...
متن کاملOptical-Based Sensors for Monitoring Corrosion of Reinforcement Rebar via an Etched Cladding Bragg Grating
In this paper, we present the development and testing of an optical-based sensor for monitoring the corrosion of reinforcement rebar. The testing was carried out using an 80% etched-cladding Fibre Bragg grating sensor to monitor the production of corrosion waste in a localized region of the rebar. Progression of corrosion can be sensed by observing the reflected wavelength shift of the FBG sens...
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تاریخ انتشار 2010