... to intermediate temperatures usually happen when the material is cladded to steel, which after the cladding process demands a tempering treatment for the elimination of residual stresses that lead to hardness values that can exceed the specified limits. This tempering heat treatment is usually carried out...

...The authors investigated CoCrFeNiTi-based MPEAs for high-strength CRAs. ^{27 - 32} CoCrFeNiTi-based MPEAs have been formed by EBM and SLM. It was revealed that nano-scale precipitates of ordered phase are formed in their FCC-based matrix during solidification heat treatment after EBM...

.... The paper completes a review of the casting material characteristics and aging effects at high temperature. Then, the repair procedure is detailed with the different steps completed: inspection, defect excavation, characterization of the defect to repair, heat treatment, welding parameters used and final...

...Abstract The heat treatment condition of industrial materials is a critical parameter for material evaluation and its fitness for intended service. Proper heat treatment will produce desired mechanical and physical properties, while absence or improper heat treatment may lead to major failure...

... of different heat treatment processes on the corrosion resistance of 110 ksi 13Cr SMSS. Bars were produced with a conventional QT process in gas fired batch furnaces as well as on an integrated forging line with inductive re-heating and direct quenching. The bars were tested according to NACE TM0177 Method...

...-visualization and CPT of two 25Cr Duplex Stainless Steel (DSS) microelectrodes with the same composition and heat treatment while immersed in artificial seawater. A real time video of the surface, the natural current and potential between the two microelectrodes was recorded while the temperature was slowly...

...intergranular pitting corrosion heat treatment aluminum RESULTS AND DISCUSSION The results of corrosion and hardness testing are summarized in Table 2 . The T4 treated material showed a low maximum penetration depth of only 130 μm in the initial condition and with 100 HV0.3 the lowest...

...Abstract The effects on stress corrosion crack growth rates of Alloy X-750 of heat, microstructure, heat treatment, crack plane orientation, stress intensity factor, corrosion potential and water purity have been extensively investigated in 288 °C water. A crack growth rate database of Alloy X-750...

... Inclusions Precursor Sites Heat Treatment Temperature Annealing Temperature Electrochemistry Metastable Pitting Pit Initiation INTRODUCTION The qualification of materials for their use in harsh environments, particularly in the oil and gas industry, requires new techniques and methodologies that can...

...Abstract In this work, two different heat treatments were conducted to research the influence of heat treatment on mechanical properties and corrosion resistance of 3Cr steel. The results indicate that the heat treatment can significantly improve the mechanical properties and corrosion resistance...

... evaluation program involving several grades of coiled tubing (from 80 ksi to 125 ksi yield strength). The study included distinct chemistries, microstructures and heat treatments of base material and welds. Different tests were carried out including C-ring, low-cycle fatigue after sour exposure, and Hydrogen...

...The heat treatments performed on the clad plates can have an impact on the corrosion properties of the corrosion resistant clad layer. The effect of these heat treatments on the corrosion properties of the nickel alloy cladding is largely dependent upon the alloy being used. Figure 4 shows...

... of corrosion-resistant alloys. The biggest factor that controls the corrosion behavior of nickel alloy UNS N10276 is the microstructure. There are two primary options for changing the microstructure of cast alloys: chemical composition and heat treatment. This project focused on the effect of both chemistry...

... by oil or water quenched). A second heat treatment to release the stresses originating from machining or welding may be used in some alloys. Therefore, the size of the ferrite and the size of the austenite grains (microstructure), ferrite-to-austenite ratio, and inclusions will have an impact...

... research findings were validated by field trials where, by using the J55 tubing manufactured according to the new steel design (chemical composition and heat treatment), the lifetime improved significantly. The average Mean Time Between Failures (MTBF) corresponding to the field trials has increased...

... condition. This loss of strength makes the repaired area more prone to denting and fatigue cracking than the rest of the steel belt, causing subsequent failures in the repaired area. The paper describes lab experiments and field application of an optimized heat treatment to the repaired spot aimed...

... and is deposited at the appropriate temperature. In light of these findings, the potential benefit of coating application on component durability in aggressive environments will be discussed. coating creep aluminide slurry CVD heat treatment INTRODUCTION Satisfying the constant increase of energy demand...

... stainless steel heat treatment INTRODUCTION Austenitic stainless steels are the main materials of construction in nuclear spent fuel reprocessing and waste management plants. The austenitic stainless steels have an excellent combination of mechanical strength, corrosion resistance, fabricabality and cost...

.... The failure investigation revealed that, in all three cases, the valve materials were subjected to improper heat treatment during the component production stage, resulting in substandard quality of the materials and consequent poor corrosion resistance. Duplex Stainless steel Heat Treatment Effluent Water...

... and fabricated to try to define optimum processing techniques for the various applications in which the alloy is utilized. alloy N08825 corrosion stabilization sensitization heat treatment corrosion testing microstructure precipitation Huey Test carbides chromium titanium nickel INTRODUCTION...