Instability criteria for hot deformation of materials

SVS Narayana Murty, B Nageswara Rao… - International …, 2000 - Taylor & Francis
Forming and forging processes are among the oldest and most important materials related
technologies. New materials technologies centre on the development and widespread use …

Deformation mechanisms and processing maps for high entropy alloys (presentation of processing maps in terms of zener–hollomon parameter)

HT Jeong, WJ Kim - Materials, 2023 - mdpi.com
In this review paper, the hot compressive deformation mechanisms and processing maps of
high-entropy alloys (HEAs) with different chemical compositions and crystal structures are …

[HTML][HTML] Evolution of hot processing map and microstructure of as-forged nickel-based superalloy during hot deformation

L Chen, B Zhang, Y Yang, T Zhao, Y Xu, Q Wang… - Journal of Materials …, 2023 - Elsevier
Nickel-based superalloy has excellent mechanical properties at high temperature. However,
the high deformation resistance, narrow deformation temperature range and complex …

T1 precipitate bands and particle stimulated nucleation in 2195 Al-Cu-Li alloy during hot deformation

D Lu, J Li, Y Guo, G Wang, R Wu, P Ma, Y Chen… - Journal of Alloys and …, 2022 - Elsevier
Dynamic precipitation and recrystallization behavior during middle-temperature and
appropriate strain rates provide a chance to obtain desirable structure, which significantly …

On the development of instability criteria during hotworking with reference to IN 718

SVSN Murty, BN Rao - Materials Science and Engineering: A, 1998 - Elsevier
A simple instability condition based on the Ziegler's continuum principles as applied to large
plastic flow, is developed for delineating the regions of unstable metal flow during hot …

High-temperature deformation mechanisms and processing maps of equiatomic CoCrFeMnNi high-entropy alloy

HT Jeong, HK Park, K Park, TW Na, WJ Kim - Materials Science and …, 2019 - Elsevier
The hot compressive deformation mechanism and processing maps of the equiatomic FCC
CoCrFeMnNi high-entropy alloy (HEA) were studied in the temperature range between 1023 …

Hot deformation and microstructural evolution of ultrasonically fabricated as-cast Al-7.3 Zn-2.2 Mg-2Cu alloy

N Raja, A Kumar, SK Patel - Materials Characterization, 2023 - Elsevier
Abstract Al-7.3 Zn-2.2 Mg-2Cu alloy is known for its high strength, achieved because of
higher alloying concentration. However, the higher alloying concentration presents …

Hot working and microstructural response of ultrasonically fabricated 2 wt% ZrB2/AA7068 composite

N Raja, S Yadav, A Kumar, G Gautam - Journal of Alloys and Compounds, 2023 - Elsevier
Hot compression is an efficient and widely accepted route for optimizing the microstructural
characteristics of metallic materials; thus, understanding hot deformation response is …

Hot deformation behavior and processing map of a Sn0. 5CoCrFeMnNi high entropy alloy with dual phases

HT Jeong, HK Park, WJ Kim - Materials Science and Engineering: A, 2021 - Elsevier
The hot compressive deformation behavior of a cast Sn 0.5 CoCrFeMnNi high-entropy alloy
composed of dual phases, an FCC solid solution phase and a MnNiSn-rich ordered FCC …

Microstructural and mechanical characteristics of hot worked homogenized AA7068 using 3D processing map and DEFORM-3D

N Raja, BSS Daniel - Materials Today Communications, 2023 - Elsevier
AA7068 is classified as high strength aluminum alloy and is primarily utilized in wrought
conditions which can be achieved with hot deformation. The process of hot deformation is a …