| Title |
Influence of transformation plasticity and bending stress on the structure evolution of tempered tool steel |
| Another Title |
Virsminio plastiškumo ir lenkimo įtempių įtaka atleidžiamo įrankinio plieno struktūros evoliucijai. |
| Authors |
Kandrotaitė Janutienė, Rasa ; Baltušnikas, Arūnas |
| Full Text |
|
| Is Part of |
Materials science = Medžiagotyra.. Kaunas : Technologija. 2010, vol. 16, no. 1, p. 29-34.. ISSN 1392-1320. eISSN 2029-7289 |
| Keywords [eng] |
Steel ; Structure ; Tempering ; Carbides ; Ttransformation plasticity ; X-ray analysis |
| Abstract [eng] |
The object of examination was tool steel with 1.42 % carbon content alloyed with chromium (about 12 %) and with small amount of vanadium (0.70 %). This work deals with the investigation of tool steel structure evolution under affect of changes of phase chemical composition, stresses, tempering temperature and transformation plasticity. The structure of steel hardened from 1150 °C temperature tool was found consisting from retained austenite, martensite and carbide phase. The specimens from hardened tool steel were bent at 520 °C tempering temperature. Bending stresses were 90 MPa, duration of tempering during bending varied – from 10 minutes to one hour to obtain different degree of steel structure evolution. After tempering and bending for different duration, the specimens were analyzed with X-ray diffraction method. The type of carbides, lattice parameters of the solid solution and carbide phase were determined. XRD examination was performed in the compressed and stretched surfaces of the bent specimen. Different effect of compression and tensile stresses on transformation plasticity of specimens, lattice parameters of steel structure phases (solid solution and carbides) was determined during bending at tempering temperature. |
| Published |
Kaunas : Technologija |
| Type |
Journal article |
| Language |
English |
| Publication date |
2010 |
| CC license |
|
