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Short-Time Creep, Fatigue and Mechanical Properties of 42CrMo4 - Low Alloy Structural Steel


Brnić, Josip; Čanađija, Marko; Turkalj, Goran; Kršćanski, Sanjin; Lanc, Domagoj; Brčić, Marino; Zeng, Gao
Short-Time Creep, Fatigue and Mechanical Properties of 42CrMo4 - Low Alloy Structural Steel // Steel and composite structures, 22 (2016), 4; 875-888 doi:10.12989/scs.2016.22.4.875 (međunarodna recenzija, članak, znanstveni)


Naslov
Short-Time Creep, Fatigue and Mechanical Properties of 42CrMo4 - Low Alloy Structural Steel

Autori
Brnić, Josip ; Čanađija, Marko ; Turkalj, Goran ; Kršćanski, Sanjin ; Lanc, Domagoj ; Brčić, Marino ; Zeng, Gao

Izvornik
Steel and composite structures (1229-9367) 22 (2016), 4; 875-888

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
42CrMo4 steel ; mechanical properties ; short-time creep ; fatigue ; fatigue limit

Sažetak
The proper selection of materials for the intended use of the structural member is of particular interest. The paper deals with determining both the mechanical properties at different temperatures and the behavior in tensile creep as well as fatigue testing of tensile stressed specimens made of low alloy 42CrMo4 steel delivered as annealed and cold drawn. This steel is usually used in engineering practice in design of statically and dynamically stressed components. Displayed engineering stress - strain diagrams indicate the mechanical properties, creep curves indicate the material creep behavior while experimental investigations of fatigue may ensure the fatigue limit determination for considered stress ratio. Also, hardness testing provides an insight into material resistance to plastic deformation. Experimentally obtained results regarding material properties were: tensile strength (735 MPa / 20°C, 105 MPa / 680°C), yield strength (593 MPa / 20°C, 76 MPa /680°C). Fatigue limit in the amount of 532.26 MPa, as maximum stress at stress ratio R = 0.25 at ambient temperature was calculated on the basis of experimentally obtained results. Regarding the creep resistance it is visible that this steel can be treated as creep resistant at high temperatures (including 5800C) when applied stress is of low level (till 0.2 of yield stress).

Izvorni jezik
Engleski

Znanstvena područja
Brodogradnja, Strojarstvo, Temeljne tehničke znanosti

Napomena
13.09.1.1.01



POVEZANOST RADA


Projekt / tema
HRZZ-IP-2013-11-6876 - Procjena ponašanja konstrukcija u graničnim uvjetima rada (Josip Brnić, )

Ustanove
Tehnički fakultet, Rijeka

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus


Uključenost u ostale bibliografske baze podataka:


  • Current Contents
  • Science Citation Index Expanded
  • ISI Alerting Services
  • Applied Mechanics Reviews
  • ProQuest
  • Metal Abstracts/META DEX
  • Engineering Materials Abstracts
  • Material Business File-Steel Alerts


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