Results 71 to 80 of about 24,005 (227)

The Mechanical Behavior of a 25Cr Super Duplex Stainless Steel at Elevated Temperature [PDF]

, 2013
Peer ...
A. R. Akisanya, AK Roy, B. A. Lasebikan, CR Brinkman, D Dyja, G Herbsleb, H Hanninen, IN Bastos, J Chen, J Hill, J Olsson, JL Song, JW Kim, L Gardner, L Gardner, M Holmquist, M Martins, M Oberndorfer, M Veljkovic, TS Byun, W Zheng, W. F. Deans   +21 more
core   +1 more source

Alteration of Phase Transformation Behavior and Prior Austenite Grain Structure Due to Elevated Tramp Element Concentrations in a Hypoeutectoid Steel

steel research international, EarlyView.
The phase transformation behavior of a hypoeutectoid steel is studied in comparison with alloys containing higher concentrations of tramp elements, simulating high recycling rates. The examination of microstructures reveals that the tramp elements facilitate the formation of displacive phases along with retained austenite.
Lukas Hatzenbichler, Marek Gocnik, Phillip Haslberger, Matthew Galler, Andreas Stark, Oleksandr Glushko, Jozef Keckes, Ronald Schnitzer   +7 more
wiley   +1 more source

Role of Coalesced Bainite in Hydrogen Embrittlement of Tempered Martensitic Steels

Metals
This study investigates the role of coalesced bainite in enhancing the hydrogen embrittlement resistance of tempered martensitic steels. By analyzing the microstructural characteristics and mechanical properties under varying cooling rates, it was found ...
Hee-Chang Shin, Sang-Gyu Kim, Byoungchul Hwang   +2 more
doaj   +1 more source

Influence of Higher Tramp Element Level on the Weldability of Automotive Steels

steel research international, EarlyView.
The use of green recycled steels is constantly expanding in the automotive industry. The increase in tramp elements resulting from the recycling of steel is problematic. Tramp elements can lead to a negative influence on the weldability. To understand the influence, the welding properties of three green steels are characterized. The potential limits of
Elias Gebhard Vogt, Patrick Veyel, Lars Gebel, Christian Meyer, Robert Thomas, Michael Thomas, Christoph Herrmann   +6 more
wiley   +1 more source

Electrochemical hydrogen charging of duplex stainless steel [PDF]

, 2019
This study evaluates the electrochemical hydrogen charging behavior and interaction between hydrogen and the microstructure of a duplex stainless steel. A saturation level of approximately 650 wppm is reached after 10 d of charging. The data are compared
Claeys, Lisa, De Graeve, Iris, Depover, Tom, Verbeken, Kim   +3 more
core   +2 more sources

Influence of Heat Treatment and Scan Rotation on the Microstructure of Hot Work Tool Steel Manufactured using Laser Powder Bed Fusion

steel research international, EarlyView.
The study investigates the influence of heat treatment and scan rotation on the microstructure of a modified H13 tool steel manufactured using laser powder bed fusion. Key findings include the refinement of prior austenite grains (PAGs) due to recrystallization and carbide pinning, and the significant impact of scan rotation on the size distribution of
Negar Panahi, Fengxiang Lin, Christos Oikonomou, Mikael Grehk   +3 more
wiley   +1 more source

Hydrogen diffusion in 0.2–0.4wt% carbon martensitic and martensitic-austenitic advanced high-strength steels

Next Materials
Hydrogen-tolerant steels are a central part of enabling the green transition and utilisation of steels with ever higher strength levels. However, hydrogen embrittlement is a critical challenge for advanced high-strength steels (AHSSs) with martensitic ...
Niko Aho, Renata Latypova, Sumit Ghosh, Pekka Kantanen, Mahesh Somani, Jukka Kömi, Sakari Pallaspuro   +6 more
doaj   +1 more source

Functionally Graded Martensitic Stainless Steel

IOSR Journal of Mechanical and Civil Engineering, 2014
Functionally graded materials (FGM) are defined as an anisotropic material whose physical properties vary continuously throughout the volume, either randomly or strategically, to achieve desired characteristics or functionality. The aim of this project is to perform a modal analysis to determine the natural frequencies and mode shapes of a FGM using ...
S Tharaknath, H Dineshkumar, G Purushothaman, C Kannadhasan, S Silambarasan   +4 more
openaire   +1 more source

Additive Manufacturing of Hot‐Work Tool Steel by In Situ Alloying Using Laser Powder Bed Fusion and Directed Energy Deposition—Strategies to Improve Chemical Homogeneity

steel research international, EarlyView.
To support future alloy development a powder mixture is processed by laser additive manufacturing. The powder mixture containing Mo‐ and W‐rich tracers is processed by powder bed fusion using single and double laser exposure and by directed energy deposition which provides drastically enlarged melt pools.
Felix Großwendt, Sebastian Weber, Jonathan Lentz   +2 more
wiley   +1 more source

Recycling End‐of‐Life Solid Oxide Cell Interconnect Assemblies into Commercial‐Grade AISI 304 Stainless Steels

steel research international, EarlyView.
This study validates a recycling pathway for converting interconnect assemblies from end‐of‐life SOC stacks into commercial‐grade AISI 304 steels. Using scrap‐based steelmaking operations, austenitic cast steels with <4.0% δ‐ferrite are successfully produced.
Jeraldine Lastam, Shine‐Od Mongoljiibuu, Alexander Specht, Daniel Grüner, Dmitry Sergeev, Urs A. Peuker, Michael Müller, Ruth Schwaiger   +7 more
wiley   +1 more source