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Application of acoustic emission to monitor bainitic and martensitic transformation
WOZNIAK, T. Z., ROZNIATOWSKI, K., RANACHOWSKI, Z.
Key words: bearing steels, phase transformation kinetics, acoustic methods, isothermal heat treatments, midrib, bainite
vol. 49 (2011), no. 5, pp. 319 - 331
DOI: 10.4149/km_2011_5_319
Article   |    Full Text (663 kB)

Deformation behaviour of commercial pure copper during repetitive upsetting extrusion (RUE) using a modified die design
BALASUNDAR, I., RAGHU, T.
Key words: upsetting, extrusion, RUE, SPD, copper
vol. 49 (2011), no. 5, pp. 333 - 345
DOI: 10.4149/km_2011_5_333
Article   |    Full Text (1167 kB)

Cyclic plasticity, cyclic creep and fatigue life of duplex stainless steel in cyclic loading with positive mean stress
POLAK, J., PETRENEC, M., MAN, J.
Key words: cyclic plasticity, cyclic creep, mean stress, fatigue life, duplex steel
vol. 49 (2011), no. 5, pp. 347 - 354
DOI: 10.4149/km_2011_5_347
Article   |    Full Text (565 kB)

Effect of electrolytic nickel coating on fatigue life of iron based P/M parts
CINICI, H., KARACIF, K., KAFKAS, F., CITAK, R.
Key words: nickel coating, powder metallurgy, fatigue, residual stress
vol. 49 (2011), no. 5, pp. 355 - 359
DOI: 10.4149/km_2011_5_355
Article   |    Full Text (283 kB)

Effect of strain rate, volume fraction of particles and temperature on fracture mechanism in Al-Al₄C₃ systems
VELGOSOVA, O., BESTERCI, M., KOVAC, L., KULU, P., HUANG, S.-J.
Key words: dispersion strengthened materials, fracture mechanism, SEM analysis
vol. 49 (2011), no. 5, pp. 361 - 367
DOI: 10.4149/km_2011_5_361
Article   |    Full Text (457 kB)

Precipitation in AlCu4.3 and AlCu4Mg alloys studied by dilatometry and calorimetry
MOHAMMADIAN SEMNANI, H. R., DEGISCHER, H. P.
Key words: Al-Cu alloys, precipitation kinetics, dilatometry, differential scanning calorimetry
vol. 49 (2011), no. 5, pp. 369 - 374
DOI: 10.4149/km_2011_5_369
Article   |    Full Text (271 kB)

Effects of lubricant and temperature on friction coefficient during hot forging of Nimonic 115 superalloy
SHAHRIARI, D. SADEGHI, M. H., EBRAHIMI, G. R., KIM, K. T.
Key words: nickel base superalloy, Nimonic 115, hot compression, hot ring compression, friction coefficient, lubricant, upper bound method, dynamic recrystallization, necklace structure
vol. 49 (2011), no. 5, pp. 375 - 383
DOI: 10.4149/km_2011_5_375
Article   |    Full Text (531 kB)

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