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1

Contact mechanical studies on continuous wave CO2 laser beam weld of mild steel with ambient and under water medium

N. Kumar, S. Kataria, B. Shanmugarajan, S. Dash, A.K. Tyagi, G. Padmanabham, Baldev Raj

Journal:

Materials & Design

Year:

2010

Language:

english

File:

PDF, 1.48 MB

english, 2010

2

Tribological properties of nitrogen ion implanted steel

N. Kumar, S. Kataria, S. Dash, S.K. Srivastava, C.R. Das, P. Chandramohan, A.K. Tyagi, K.G.M. Nair, Baldev Raj

Journal:

Year:

2012

Language:

english

File:

PDF, 1.64 MB

english, 2012

3

Effect of CH4/H2 plasma ratio on ultra-low friction of nano-crystalline diamond coating deposited by MPECVD technique

Neha Sharma, N. Kumar, B. Sundaravel, Kalpataru Panda, Wang David, M. Kamarrudin, S. Dash, B.K. Panigrahi, A.K. Tyagi, I-Nan Lin, Baldev Raj

Journal:

Tribology International

Year:

2011

Language:

english

File:

PDF, 1.28 MB

english, 2011

4

Ultra-low friction of TiC/a-C composite coatings

N. Kumar, P.K. Ajikumar, S. Dash, M. Kamruddin, A.K. Tyagi, Baldev Raj

Journal:

Tribology International

Year:

2011

Language:

english

File:

PDF, 1.11 MB

english, 2011

5

Evolution of Tribological Properties of Reactor-Grade NiCr-B Coating

C. R. Das, N. Kumar, S. Dash, P. Chandramohan, M. P. Srinivasan, S. K. Albert, A. K. Tyagi, A. K. Bhaduri, Baldev Raj

Journal:

Tribology Letters

Year:

2011

Language:

english

File:

PDF, 1.80 MB

english, 2011

6

Thermal dynamics-based mechanism for intense laser-induced material surface vaporization

N. Kumar, S. Dash, A. K. Tyagi, Baldev Raj

Journal:

Year:

2008

Language:

english

File:

PDF, 300 KB

english, 2008

7

Dynamics of plasma expansion in the pulsed laser material interaction

N. Kumar, S. Dash, A. K. Tyagi, Baldev Raj

Journal:

Year:

2010

Language:

english

File:

PDF, 323 KB

english, 2010

8

Keyhole depth instability in case of CW CO2laser beam welding of mild steel

N. Kumar, S. Dash, A. K. Tyagi, Baldev Raj

Journal:

Year:

2010

Language:

english

File:

PDF, 300 KB

english, 2010

9

Melt pool vorticity in deep penetration laser material welding

N KUMAR, S DASH, A K TYAGI, BALDEV RAJ

Journal:

Year:

2011

Language:

english

File:

PDF, 467 KB

english, 2011

10

Super low to high friction of turbostratic graphite under various atmospheric test conditions

N. Kumar, S. Dash, A.K. Tyagi, Baldev Raj

Journal:

Tribology International

Year:

2011

Language:

english

File:

PDF, 1.24 MB

english, 2011

11

Tribological properties of ultrananocrystalline diamond films in various test atmosphere

N. Kumar, Neha Sharma, S. Dash, C. Popov, W. Kulisch, J.P. Reithmaier, G. Favaro, A.K. Tyagi, Baldev Raj

Journal:

Tribology International

Year:

2011

Language:

english

File:

PDF, 1.50 MB

english, 2011

12

Tribological properties of pulsed laser deposited DLC/TM (TM=Cr, Ag, Ti and Ni) multilayers

S. Gayathri, N. Kumar, R. Krishnan, T.R. Ravindran, S. Dash, A.K. Tyagi, Baldev Raj, M. Sridharan

Journal:

Tribology International

Year:

2012

Language:

english

File:

PDF, 2.35 MB

english, 2012

13

Scratch resistance and tribological properties of DLC coatings under dry and lubrication conditions

Neha Sharma, N. Kumar, S. Dash, C.R. Das, R.V. Subba Rao, A.K. Tyagi, Baldev Raj

Journal:

Tribology International

Year:

2012

Language:

english

File:

PDF, 2.45 MB

english, 2012

14

Tribological properties of ultra nanocrystalline diamond film-effect of sliding counterbodies

Neha Sharma, N. Kumar, S. Dhara, S. Dash, Ashok Bahuguna, M. Kamruddin, A.K. Tyagi, Baldev Raj

Journal:

Tribology International

Year:

2012

Language:

english

File:

PDF, 2.10 MB

english, 2012

15

Study of dimensionless quantities to analyse front and rear wall of keyhole formed during laser beam welding

N KUMAR, S DASH, A K TYAGI, BALDEV RAJ

Journal:

Year:

2013

Language:

english

File:

PDF, 530 KB

english, 2013

16

Evaluation of Tribological Properties of Nuclear-Grade Steel

KUMAR, N., DAS, C. R., DASH, S., TYAGI, A. K., BHADURI, A. K., RAJ, BALDEV

Journal:

Tribology Transactions

Year:

2010

Language:

english

File:

PDF, 668 KB

english, 2010

17

[IEEE International Conference on Nanoscience, Engineering and Technology (ICONSET 2011) - Chennai (2011.11.28-2011.11.30)] International Conference on Nanoscience, Engineering and Technology (ICONSET 2011) - Tribomechanical studies on PLD grown DLC/Ni multilayers

Krishnan, R., Kumar, N., Ravindran, T.R., Dash, S., Tyagi, A.K., Raj, Baldev, Gayathri, S., Sridharan, M.

Year:

2011

Language:

english

File:

PDF, 1.10 MB

english, 2011

18

Tribological properties of SiC coatings deposited by r.f. magnetron sputtering as a function of substrate temperature

Kumar, N., Dash, S., Rajagopalan, S., Bahuguna, Ashok, Tyagi, A.K., Raj, Baldev

Journal:

Philosophical Magazine Letters

Year:

2011

Language:

english

File:

PDF, 436 KB

english, 2011

19

Tribological properties of nanocrystalline diamond films deposited by hot filament chemical vapor deposition

Kumar, N., Panda, K., Dash, S., Popov, C., Reithmaier, J. P., Panigrahi, B. K., Tyagi, A. K., Raj, Baldev

Journal:

Year:

2012

Language:

english

File:

PDF, 2.69 MB

english, 2012