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Št. zadetkov: 7
Weldability investigation of TStE 420 after weld thermal cycle simulation
Marko Dunđer, Tomaž Vuherer, Ivica Kladarić
Izvirni znanstveni članek
Oznake: HSLA jekla;simulacija toplotnega ciklusa zvarnega spoja;trdota;HSLA steels;weldability;weld thermal cycle simulation;hardness;
The paper presents a short description and overview of the weld thermal cycle simulation methods. An experimental investigation on the weld cycle simulated specimens is predicted by a plan of experiment using single cycle simulation. The obtained hardness results are compared with double cycle simul ...
Leto: 2010 Vir: Fakulteta za strojništvo (UM FS)
Weldability investigation steel P 91 by weld thermal cycle simulation
Marko Dunđer, Ivan Samardžić, Tomaž Vuherer
Izvirni znanstveni članek
Oznake: varjenje;P 91;trdota;udarna energija;hlajenje;welding;hardness;impact energy;cooling;
This paper elaborates results of hardness and impact energy of thermal cycle simulated specimens of high-alloy steel P 91 and their dependence on cooling time from 800 to 500 °C. Results were obtained by measuring hardness HV 1 and by experimental testing of Charpy notched specimens. Metallographic ...
Leto: 2015 Vir: Fakulteta za strojništvo (UM FS)
Dependence of hardness and impact energy on cooling time [Delta]t [sub](8/5) and temperature for S960QL
Ivan Samardžić, Marko Dunđer, Tomaž Vuherer
Izvirni znanstveni članek
Oznake: kaljeno jeklo;popuščano jeklo;toplotna obdelava;udarna energija;čas ohlajanja;preiskava materiala;structural steel;quenched hardness;impact energy;cooling time [Delta]t [sub]8/5;
The paper deals with research into dependence of hardness and impact energy of thermal cycle simulated specimens of fine-grained structural steel S960QL on cooling time from 800 to 500 °C and on tested temperature. Results were obtained by measuring hardness of HV 10 and by experimental testing of C ...
Leto: 2014 Vir: Fakulteta za strojništvo (UM FS)
Impact energy analysis of quenched and tempered fine grain structural steel specimens after weld thermal cycle simulation
Marko Dunđer, Tomaž Vuherer, Ivan Samardžić
Izvirni znanstveni članek
Oznake: kaljeno jeklo;popuščano jeklo;toplotna obdelava;udarna energija;čas ohlajanja;preiskava materiala;quenched and tempered fine grain structural steel;welding thermal cycle;impact energy;cooling time t8/5;
The paper presents impact energy results of thermal cycle simulated specimens of quenched and tempered fine grain structural steel S960QL. These results are obtained by examining notched Charpy specimens. Upon performed metallographic analysis and measured hardness, total impact energy is separated ...
Leto: 2014 Vir: Fakulteta za strojništvo (UM FS)
Weldability of microalloyed high strength steels TStE 420 and S960QL
Marko Dunđer, Tomaž Vuherer, Ivan Samardžić
Izvirni znanstveni članek
Oznake: varjenje;visokotrdnostna jekla;mehanske lastnosti;TStE 420;S960QL;weldabilty;high strength steels;mechanical properties;
The paper presents research of weldability of microalloyed high strength steels TStE 420 and S960QL after weld thermal cycle simulation. Beside mechanical properties hardness and impact strength, the microstructures of characteristic weld thermal cycled structures for both steels are given. The resu ...
Leto: 2014 Vir: Fakulteta za strojništvo (UM FS)
Weldability prediction of high strength steel S960QL after weld thermal cycle simulation
Marko Dunđer, Tomaž Vuherer, Ivan Samardžić
Izvirni znanstveni članek
Oznake: varjenje;visokotrdnostna jekla;trdnost zvarov;žilavost;simulacija termičnega cikla varjenja;preiskava materiala;high strength steels;S960QL steel;weldability;weld thermal cycle simulation;hardness;toughness;
This paper presents weld thermal cycle simulation of high strength steel S960QL, and describes influence of cooling time t8/5 on hardness and impact toughness of weld thermal cycle simulated specimens. Furthermore, it presents analysis of characteristic fractions done by electron scanning microscope ...
Leto: 2014 Vir: Fakulteta za strojništvo (UM FS)
Microstructural investigation of the heat-affected zone of simulated welded joint of P91 steel
Tomaž Vuherer, Marko Dunđer, Ljubica Milović, Milorad Zrilić, Ivan Samardžić
Izvirni znanstveni članek
Oznake: zvarni spoji;mikrostruktura;P91 jeklo;toplotno vplivano območje;toplotna obdelava;welded joints;microstructures;P91 steel;heat-affected zone;heat treatment;
In the process of testing real components exposed to elevated temperature, it is not possible to neglect cracks. The most significant cracks can be induced by welding, which is applied for joining of structural components. Pressure equipment in service is also exposed to high pressure and high stres ...
Leto: 2013 Vir: Fakulteta za strojništvo (UM FS)
Št. zadetkov: 7
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