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Wei Zhang, Jialiang Liu, Lin Yang, Xiangyuan Zhang, Heqing Zhang and Fukang Gong
The mechanical properties of S32760 duplex stainless steel under dynamic loading conditions at high strain rates are significantly different from those under quasi-static conditions. As a result of large strain, high strain rate, and high temperature, th...
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Zhenhua Ren, Hui Wang, Lizheng Fang, Peng Ding and Xiantao Zeng
Stainless steel has the characteristics of oxidation resistance, high temperature resistance, corrosion resistance, high strength, and high yield ratio. The use of stainless steel bars can extend the life of a structure, reduce later maintenance costs, a...
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Feifei Huang, Erju Liu, Yi Qin, Qingrui Wang, Ying Jin, Lei Wen and Hai Chang
By applying 2205 duplex stainless steel powders to repair and improve carbon steel, multi-pass laser-cladding tests were conducted on Q235 carbon steel surfaces with different laser powers in the range of 1.9~2.5 kW in order to evaluate the performance o...
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Cem Örnek, Kemal Davut, Mustafa Kocabas, Aleyna Bayatli and Mustafa Ürgen
The corrosion morphology in grade 2205 duplex stainless steel wire was studied to understand the nature of pitting and the causes of the ferrite phase?s selective corrosion in acidic (pH 3) NaCl solutions at 60 °C. It is shown that the corrosion mechanis...
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YongHyun Cho, Dong-Keon Kim, JunSu Kim and TaeSoo Kim
The block shear equations specified in the current AISC specification for structural steel buildings and North American cold-formed steel design specifications are based on research results of carbon steel bolted connections. These equations were found t...
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Harris Prabowo, Badrul Munir, Yudha Pratesa, Johny W. Soedarsono
Pág. 280 - 285
The scarcity of oil and gas resources made High Pressure and High Temperature (HPHT) reservoir attractive to be developed. The sour service environment gives an additional factor in material selection for HPHT reservoir. Austenitic 28 Cr and super duplex...
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Bálint Bögre, István Mészáros
Pág. 150 - 158
In this work five different methods ? AC magnetometer, DC magnetometer, Feritscope, EBSD and X-ray diffraction - were compared with each other. These methods were used to determine the d-ferrite content of samples. The limits, disadvantages and advantage...
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Miikka Karhu, Veli Kujanpää, Harri Eskelinen and Antti Salminen
In thick section laser welding, filler metal addition is usually required to improve joint fit-up tolerances or to control the chemical composition of the weld metal. With deep and narrow welds produced using an over-alloyed filler metal, it may be chall...
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Balázs Varbai, Timothy Pickle, Kornél Májlinger
Pág. 247 - 253
In duplex stainless steels the ideally 1:1 ratio of austenite-to-ferrite phases ensures the outstanding mechanical and corrosion properties compared to other, conventional stainless steel grades. However, this phase balance can be easily shifted to a mos...
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Yassmin Seid Ahmed, Jose Mario Paiva, Danielle Covelli and Stephen Clarence Veldhuis
In this study, the wear mechanisms and tribological performance of uncoated and coated carbide tools were investigated during the turning of super duplex stainless steel (SDSS)?Grade UNS S32750, known commercially as SAF 2507. The tool wear was evaluated...
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