Improving Astm A516 Grade 70 Mechanical Properties by Sandblasting Process
نویسندگان
چکیده
منابع مشابه
Application of Response Surface Methodology for Modeling of Postweld Heat Treatment Process in a Pressure Vessel Steel ASTM A516 Grade 70
This research studied the application of the response surface methodology (RSM) and central composite design (CCD) experiment in mathematical model and optimizes postweld heat treatment (PWHT). The material of study is a pressure vessel steel ASTM A516 grade 70 that is used for gas metal arc welding. PWHT parameters examined in this study included PWHT temperatures and time. The resulting mater...
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هدف اصلی این مطالعه تهیه یک سامانه نوین چسب عاجی دندانی بر پایه نانورس پیوند شده با پلی متاکریلیک اسید، نانورس پیوند شده با پلی اکریلیک اسید، مخلوط نانوسیلیکا و نانورس پیوند شده با پلی متاکریلیک اسید، مخلوط نانوسیلیکا و نانورس پیوند شده با پلی اکریلیک اسید و نانورس پیوند شده با کیتوسان اصلاح شده با گلایسیدیل متاکریلات است. پیوند پلی متاکریلیک اسید و پلی اکریلیک اسید بر ری سطح نانورس در حضور و ...
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AISI 4340 steel is one of the super strong steels that can be selected for different applications. By designing the proper cycles of heat treatment, the optimum microstructure and properties of this steel can be achieved. In this study, different heat treatment cycles were introduced to achieve the optimum microstructure and improve the mechanical and magnetic properties of AISI 4340 steel. The...
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Hydrogen Induced Cracking (HIC) and Stress Oriented Hydrogen Induced Cracking (SOHIC) tests were conducted on a conventional ASTM A516-70 pressure vessel steel exposed to H2Scontaining diglycolamine (DGA) gas-sweetening environments. Baseline HIC and SOHIC tests were conducted in NACE TM0284-96 solution A. For the SOHIC tests, four-point double beam specimens were stressed to 60%, 80% or 100 % ...
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Increasing material’s strength is of particular importance. Improving material’s mechanical properties such as strength could reduce the size and weight of the structure. The size and weight of the structure are among the effective parameters in design. Since the past a variety of methods have been developed to increase the strength of metals that are capable of increasing metals’ strength to a...
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ژورنال
عنوان ژورنال: International Journal of Engineering & Technology
سال: 2018
ISSN: 2227-524X
DOI: 10.14419/ijet.v7i4.35.22734