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Laser surface melting of 17-4 PH precipitation-hardenable stainless steel
PICALO 2010: 4th Pacific International Conference on Laser Materials Processing, Micro, Nano and Ultrafast Fabrication, 2010Preciptation-hardenable (PH) stainless steels are widely employed in industry for their high mechanical strength, reasonable toughness and moderate corrosion resistance. In the present study, laser surface melting of 17-4 PH precipitation-hardenable stainless steel (Fe-17%Cr-4%Ni-4%Cu-0.3%Nb) was attempted using a 2.5-kW continuous wave Nd:YAG laser ...
Zhichao Cheng, Chi Tat Kwok, Kin Ho Lo
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The Effects of LENS Process Parameters on the Behaviour of 17-4 PH Stainless Steel
202017-4 PH stainless steel has proven to be one of the workhorse materials in industries such as aerospace, chemical, and energy. The attraction of this alloy to the aforementioned industries is derived from the fact that 17-4 PH stainless steel possesses a combination of excellent mechanical properties and corrosion resistance.
I. Mathoho +4 more
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Tensile and fatigue properties of 17-4 PH stainless steel at high temperatures
Metallurgical and Materials Transactions A, 2002The tensile and high-cycle fatigue properties for 17-4 PH* stainless steels in three different conditions were investigated at temperatures ranging from room temperature to 400 °C. Results indicated that the yield strength and fatigue strength for the three conditions at a given temperature took the following order: condition H900 > condition A ...
Jui-Hung Wu, Chih-Kuang Lin
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Shot Peening and Thermal Stress Relaxation in 17-4 PH Stainless Steel
Journal of Materials Engineering and Performance, 2015Shot peening is an effective process to enhance the fatigue performance of turbine blades. In this study, the effect of peening pressures was discussed in terms of the residual stress distribution and the surface morphology. Shot peening processes were designed at varying pressures on a 17-4 PH martensitic stainless steel.
Enwei Qin +3 more
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Electrochemical stability of laser shock peened 17-4 PH stainless steel
Optics & Laser Technology, 2019Abstract In this study influence of laser shock peening without protective coating (LSPwC) on electrochemical stability of 17-4 PH martensitic stainless steel was investigated using potentiodynamic polarization and electrochemical impedance spectroscopy techniques.
D. Karthik, S. Swaroop
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Corrosion behavior of 17–4 PH stainless steel in simulated marine environment
Materials and Corrosion, 2018The corrosion behavior of 17–4 precipitation hardened (PH) stainless steel in 3.5 wt% NaCl solution was investigated in the present research by both electrochemical experiments and constant strain rate tensile tests. Electrochemical experiments revealed that corrosion behavior of PH steel was mainly controlled by cathodic reactions.
Ming Wu +4 more
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Weldability of 17-4 PH stainless steel in centrifugal compressor impeller applications
Journal of Materials Processing Technology, 2004Abstract Weldability of 17-4 PH stainless steel for centrifugal compressor impeller was considered. Welding tests were carried out on the precipitation-hardened steel of the 17-4 PH type. Possibilities of joining centrifugal compressor impeller parts as important elements of turbo machines were considered. Two means of welding (1 1 1) and (1 1 4), as
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Stainless steel: A high potential material for green electrochemical energy storage and conversion
Chemical Engineering Journal, 2022Moonsu Kim, Yong-Tae Kim, Jinsub Choi
exaly
Localized corrosion of 15–5 PH and 17–4 PH stainless steel in NaCl solution
Journal of Solid State Electrochemistry, 2023Brisa Martínez-Aparicio +5 more
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