Faculty of Mechanical Engineering, Lj. (FSLJ)
-
Lasersko pretaljevanje površine ogljikovih jekel C15 in C45 : zaključna naloga Univerzitetnega študijskega programa I. stopnje Strojništvo - Razvojno raziskovalni programFabjan, Miha, strojnikV zaključnem delu »Lasersko pretaljevanje površin ogljikovih jekel C15 in C45« je predstavljena metodologija eksperimenta in ovrednotenje dobljenih rezultatov mikrostruktur in mikrotrdote kot ... posledica laserskega pretaljevanja Nd:YAG laserja dveh ogljikovih jekel z oz. brez zaščitnega plina Ar. S pomočjo meritev globin in širin pretaljenega in toplotno vplivanega območja ter meritev mikrotrdot v pretaljenem, toplotno vplivanem območju in osnovnem materialu smo določili optimalne procesne parametre, katerih cilje je bil, da s procesom laserskega pretaljevanja čim bolj utrdimo material, hkrati pa imamo čim večjo učinkovitost. Na podlagi analize rezultatov mikrostruktur in mikrotrdot se je izkazalo, da smo pri danih konstantnih in spreminjajočih veličinah optimalen parameter obdelave pri C15 dobili pri uporabi energije žarka E = 13,7 J, pri C45 pa pri E = 11,9 J. Poleg omenjenih energij žarka smo imeli še konstantni parametre t = 8ms, f = 4 Hz, v = 1.5 mm/s in ?v_Ar = 2 l/min. Po ovrednotenju meritev smo lahko opazili, da je C45 veliko bolj primeren material za lasersko utrjevanje površin, saj se v primerjavi z C15 začne pretaljevati že pri manjših močeh, prav tako je to pretaljevanje in vnos toplote v material skozi celoten potek bilo intenzivnejše v globino materiala.Type of material - undergraduate thesis ; adult, seriousPublication and manufacture - Ljubljana : [M. Fabjan], 2022Language - slovenianCOBISS.SI-ID - 115357955
Author
Fabjan, Miha, strojnik
Other authors
Šturm, Roman, 1965-
Topics
diplomske naloge |
ogljikovo jeklo C15 |
ogljikovo jeklo C45 |
lasersko pretaljevanje površine |
mikrostrukture |
mikrotrdota |
thesis |
carbon steel C15 |
carbon steel C45 |
laser surface remelting |
microstructure |
microhardness
Call number – location, accession no. ... |
Copy status | Reservation |
---|---|---|
UN 0000001638 IN: 80001638 UN 1638 IN: 80001638 |
available - reading room
|
Shelf entry
Permalink
- URL:
Impact factor
Access to the JCR database is permitted only to users from Slovenia. Your current IP address is not on the list of IP addresses with access permission, and authentication with the relevant AAI accout is required.
Year | Impact factor | Edition | Category | Classification | ||||
---|---|---|---|---|---|---|---|---|
JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
Select the library membership card:
If the library membership card is not in the list,
add a new one.
DRS, in which the journal is indexed
Database name | Field | Year |
---|
Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
---|---|
Fabjan, Miha, strojnik | |
Šturm, Roman, 1965- | 13026 |
Source: Personal bibliographies
and: SICRIS
Select pickup location:
Material pickup by post
Delivery address:
Address is missing from the member's data.
The address retrieval service is currently unavailable, please try again.
By clicking the "OK" button, you will confirm the pickup location selected above and complete the reservation process.
By clicking the "OK" button, you will confirm the above pickup location and delivery address, and complete the reservation process.
By clicking the "OK" button, you will confirm the address selected above and complete the reservation process.
Notification
Automatic login and reservation service currently not available. You can reserve the material on the Biblos portal or try again here later.
Subject headings in COBISS General List of Subject Headings
Select pickup location
The material from the parent unit is free. If the material is delivered to the pickup location from another unit, the library may charge you for this service.
Pickup location | Material status | Reservation |
---|
Reservation in progress
Please wait a moment.
Reservation was successful.
Reservation failed.
Reservation...
Membership card:
Pickup location: