Seshendra Karamchedu

Publications (21)
Projects (1)

Showing 21 publications

2024

Softening Behavior of a Cold Work Tool Steel and High-Boron Tool Steel Fabricated by Directed Energy Deposition

Miwen Yuan, Lars Nyborg, Christos Oikonomou et al

Steel Research International. Vol. 95 (3)

Journal article

2023

A Case Study for a Worn Tool Steel in the Hot Stamping Process

Miwen Yuan, Seshendra Karamchedu, Yicheng Fan et al

Journal of Materials Research and Technology. Vol. 22, p. 1065-1075

Journal article

2022

Characteristics of a modified H13 hot-work tool steel fabricated by means of laser beam powder bed fusion

Miwen Yuan, Yu Cao, Seshendra Karamchedu et al

Materials Science & Engineering A: Structural Materials: Properties, Microstructure and Processing. Vol. 831

Journal article

Show project

2022

Study of defects in directed energy deposited Vanadis 4 Extra tool steel

Miwen Yuan, Seshendra Karamchedu, Yicheng Fan et al

Journal of Manufacturing Processes. Vol. 76, p. 419-427

Journal article

2019

Vacuum sintering of chromium alloyed powder metallurgy steels

Maheswaran Vattur Sundaram, Seshendra Karamchedu, Clement Gouhier et al

Metal Powder Report. Vol. 74 (5), p. 244-250

Journal article

Show project

2016

Effect of Powder Processing on the Sintering Mechanisms of Carbonyl and Water-atomized Iron Powders

Johan Wendel, Ruslan Shvab, Seshendra Karamchedu et al

World Powder Metallurgy 2016 Congress and Exhibition, World PM 2016; Hamburg; Germany; 9 October 2016 through 13 October 2016

Paper in proceeding

2016

Vacuum Sintering Studies On Chromium Alloyed PM Steels

Maheswaran Vattur Sundaram, Seshendra Karamchedu, Clément Gouhier et al

World Powder Metallurgy 2016 Congress and Exhibition, World PM 2016; Hamburg; Germany; 9 October 2016 through 13 October 2016

Paper in proceeding

Show project

2016

Effect of active constituents in the atmosphere on the sintering of chromium-alloyed PM steels

Seshendra Karamchedu, Eduard Hryha, Lars Nyborg

World Powder Metallurgy 2016 Congress and Exhibition, World PM 2016; Hamburg; Germany; 9 October 2016 through 13 October 2016

Paper in proceeding

2015

Critical Aspects of Delubrication and Sintering of Chromium-alloyed Powder Metallurgy Steels

Seshendra Karamchedu

Doctoral thesis

2015

Changes in the surface chemistry of chromium-alloyed powder metallurgical steel during delubrication and their impact on sintering

Seshendra Karamchedu, Eduard Hryha, Lars Nyborg

Journal of Materials Processing Technology. Vol. 223, p. 171-185

Journal article

2015

Lean Atmospheres for Sintering of Chromium Alloyed Powder Metallurgy Steels

Seshendra Karamchedu, Eduard Hryha, Lars Nyborg

Journal of the American Ceramic Society. Vol. 98 (11), p. 3588-3595

Journal article

2015

Effect of active components of sintering atmosphere on reduction/oxidation processes during sintering of Cr-alloyed PM steels

Eduard Hryha, Seshendra Karamchedu, Dmitri Riabov et al

Journal of the American Ceramic Society. Vol. 98 (11), p. 3561-3568

Journal article

2014

SINTER-HARDENING RESPONSE OF SINTERED STEEL BASED ON ASTALOY MO AND ITS DIFFUSION BONDED DERIVATIVES

Seshendra Karamchedu, Sepehr Hatami, Lars Nyborg et al

Powder Metallurgy Progress. Vol. 14 (3), p. 93-99

Journal article

2013

Influence of delubrication process on the properties of sintered PM components

Seshendra Karamchedu, Eduard Hryha, Lars Nyborg

Proceedings of Euro PM2013. Vol. 2, p. 163-168

Paper in proceeding

2013

Delubrication of Chromium Prealloyed Powder Metallurgy Steels

Seshendra Karamchedu

Licentiate thesis

2013

Lean atmospheres for sintering chromium alloyed PM steels

Seshendra Karamchedu, Eduard Hryha, Sigurd Berg et al

Proceedings of Euro PM2013. Vol. 2, p. 353-358

Paper in proceeding

2012

Effect of Delubrication Process Parameters on Surface Characteristics of Cr- alloyed PM steels

Seshendra Karamchedu, Eduard Hryha, Lars Nyborg

Materials for Tomorrow 2012

Conference poster

2012

Control of delubrication process for PM components based on prealloyed steel powders

Eduard Hryha, Seshendra Karamchedu, Lars Nyborg

Proceedings of the 2012 Powder Metallurgy World Congress & Exhibition, Powder Metallurgy Association and Japan Society of Powder and Powder Metallurgy,2013

Paper in proceeding

2011

INFLUENCE OF PROCESS PARAMETERS ON DELUBRICATION OF PM STEELS

Seshendra Karamchedu, Eduard Hryha, Lars Nyborg

Powder Metallurgy Progress. Vol. 11 (1-2), p. 90-96

Journal article

2011

Delubrication of PM Components Based on Cr-Prealloyed Steel Powder – Chances and Risks

Eduard Hryha, Seshendra Karamchedu, Lars Nyborg

Proc. of EURO PM2011 Congress & Exhibition, 9-12 October 2011, Barcelona, Spain. Vol. 3, p. 105-110

Paper in proceeding

2010

The Effect of Alloying on Sinter-Hardening Response of Astaloy Mo and Its Diffusion Bonded Derivatives

Sepehr Hatami, Seshendra Karamchedu, Lars Nyborg et al

World Powder Metallurgy Congress and Exhibition, World PM 2010; Florence; Italy; 10 October 2010 through 14 October 2010

Paper in proceeding

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Showing 1 research projects

2013–2016

Novel sintering strategy for the competitive manufacturing of the high-performance PM components

Lars Nyborg Materials and Manufacturing Technology

Seshendra Karamchedu Surface and Microstructure Engineering

Maheswaran Vattur Sundaram Surface and Microstructure Engineering

Eduard Hryha Surface and Microstructure Engineering

VINNOVA

5 publications exist

There might be more projects where Seshendra Karamchedu participates, but you have to be logged in as a Chalmers employee to see them.