Results 251 to 260 of about 108,174,663 (284)

Microstructure of the heat‐affected zone in 17–4 PH stainless steel

Steel Research, 1989
The microstructure of the heat‐affected zone (HAZ) in bead‐on‐plate welded 17–4 PH stainless steel was studied with special reference to the roles of prior heat treatment and heat input during welding. The HAZ in solution‐annealed condition consists of three different microstructural zones containing: (i) retransformed martensite and reformed austenite;
Arun Kumar Bhaduri, Srinivasan Venkadesan   +1 more
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Characterization of Electron Beam Welded 17-4 PH Stainless Steel

Canadian Metallurgical Quarterly, 2008
AbstractThe Canadian Department of National Defence (DND) currently has a requirement for a fully automated captive trajectory system (CTS) with six degrees of freedom, all of which are to be motorized, to study the movement of stores (such as missiles) during carriage/release testing of F-18 and other military aircraft in the National Research Council
Wanjara, P., Poirier, E., Jahazi, M.
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Embrittlement Fracture in a 17-4 PH Stainless Steel after Aging at 400°C

Materials Science Forum, 2005
The embrittlement fracture mechanism caused by microstructural evolution of 17-4 PH stainless steel at long term aging was studied using scanning electron microscopy (SEM) and transmission electron microscopy (TEM). The solution treated specimen consists largely of lath martensite with a small fraction of elongated δ-ferrite.
Wei You, Jung Hun Lee, Soo Keun Shin, Byung Hak Choe, Un Gyu Paik, Je Hyun Lee   +5 more
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Electrochemical stability of laser shock peened 17-4 PH stainless steel

Optics & Laser Technology, 2019
Abstract 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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The Effects of LENS Process Parameters on the Behaviour of 17-4 PH Stainless Steel

2020
17-4 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, E. T. Akinlabi, N. Arthur, M. Tlotleng, N. W. Makoana   +4 more
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Fatigue Behavior of Laser Metal Deposited 17-4 PH Stainless Steel

2020
As additive manufacturing (AM) technology has evolved, its use has been extended to address more challenging service loading and environmental applications. To ensure broader acceptance of AM technology and to justify its use in routine production, there is a need to characterize the mechanical properties of AM parts.
Lakshmi J. Vendra, Anjani Achanta, Eric Sullivan   +2 more
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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, 2010
Preciptation-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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An Investigation on Elongation-Porosity Relation in Sintered 17-4 PH Stainless Steel

Materials Science Forum, 2007
In the present study, powder injection molding (PIM) process, in which the porosity of sintered parts can be easily controlled, has been employed to produce specimens with the various porosities from the initial stage of sintering and to the stage of nearly full density.
Sung H.-J, Ha T.K, Ahn S, Chang Y.W.
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Corrosion behavior of 17–4 PH stainless steel in simulated marine environment

Materials and Corrosion, 2018
The 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, Zhihao Zhao, Xu Wang, Chenchong Wang, Ping Liang   +4 more
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Weldability of 17-4 PH stainless steel in centrifugal compressor impeller applications

Journal of Materials Processing Technology, 2004
Abstract 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
openaire   +1 more source