Results 41 to 50 of about 7,970 (297)

A comprehensive overview of high strength and toughness steels for automobile based on QP process

open access: yesJournal of Materials Research and Technology, 2023
High-strength steels support the rapid development of modern automobile industry. Especially quenching-partitioning (QP) steels have presented the considerable potential thanks to their excellent mechanical properties.
Shao-bin Bai   +8 more
doaj   +1 more source

Processing Variants in Medium-Mn Steels

open access: yesMetals, 2019
This paper highlights some recent efforts to extend the use of medium-Mn steels for applications other than intercritically batch-annealed steels with exceptional ductility (and strengths in the range of about 1000 MPa).
John Speer   +5 more
doaj   +1 more source

Improvement of tensile properties by controlling the microstructure and crystallographic data in commercial pearlitic carbon-silicon steel via quenching and partitioning (Q&P) process

open access: yesJournal of Materials Research and Technology, 2023
In the current research, a complex microstructure and crystallographic data were developed through quenching and partitioning (Q&P) process to improve tensile properties of commercial pearlitic carbon-silicon steel.
M.A. Mohtadi-Bonab   +6 more
doaj   +1 more source

Into the quenching & partitioning of a 0.2C steel: An in-situ synchrotron study [PDF]

open access: yesMaterials Science and Engineering: A, 2019
Abstract Quenching and partitioning (Q&P) is an effective way for retaining austenite at room temperature. The actual mechanisms responsible for austenite stabilization are still under debate, since it is impossible to track carbon diffusion with the conventional metallographic tools.
Pierre Huyghe   +4 more
openaire   +1 more source

Comparative analysis between quenching and partitioning versus quenching and tempering for SAE 4340 [PDF]

open access: yes, 2019
A new heat treatment has been recently researched, whose denomination is quenching and partitioning (Q&P), in order to stabilize the retained austenite in the microstructure of steels.
Jorge Luis Braz Medeiros (7395065)   +4 more
core   +1 more source

Microstructure Evolution and Competitive Reactions during Quenching and Partitioning of a Model Fe–C–Mn–Si Alloy

open access: yesMetals, 2020
The mechanisms behind the carbon enrichment of austenite during quenching and partitioning are still a matter of debate. This work investigates the microstructural evolution during the quenching and partitioning of a model Fe−C−Mn−Si ...
Samy Aoued   +7 more
doaj   +1 more source

Quenching and partitioning - a new steel heat treatment concept [PDF]

open access: yes, 2011
Steel continues to be one of the primary materials in use today, however, even after 200 years of published research, innovative methods are being discovered and exploited to produce steel with enhanced properties.
Bigg, Timothy David
core  

Inhibition of cyclin‐dependent kinases 12/13 using CT7439 as a treatment for colorectal cancer with CDK12 upregulation

open access: yesMolecular Oncology, EarlyView.
The proposed mechanism of action for the CDK12/13 inhibitor and cyclin K degrader, CT7439. CDK12/13 inhibition interrupts transcription elongation, leading to increased DNA damage that results in cell death. This agent is a potentially novel treatment option for patients with colorectal cancer. Created in BioRender. Cyclin‐dependent kinase (CDK) 12 and
Wylie K. Watlington   +10 more
wiley   +1 more source

Non Photochemical Quenching mechanism in higher plants and in the unicellular alga Chlamydomonas reinhardtii [PDF]

open access: yes, 2010
Light is a necessary ecological factor for oxygenic photoautotrophic organisms. Plants and algae require light for life but it can sometimes become a limiting factor or even cause stress events.
Guadagno, Carmela Rosaria
core  

Overview of mechanisms involved during the quenching and partitioning process in steels [PDF]

open access: yes, 2011
The application of the quenching and partitioning (Q&P) process in steels involves a microstructural evolution that is more complex than just the formation of martensite followed by carbon partitioning from martensite to austenite.
J. Sietsma   +8 more
core   +1 more source

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