Publication detail

Research and starting the production of heavy castings from high-alloy ductile cast iron

KAŇA, V. ŠENBERGER, J. ZÁDĚRA, A. ČECH, J.

Czech title

Výzkum a zavedení výroby těžkých odlitků z vysokolegovaných litin s kuličkovým grafitem

English title

Research and starting the production of heavy castings from high-alloy ductile cast iron

Type

conference paper

Language

en

Original abstract

This paper deals with research and production optimization of heavy castings from austenitic nickel cast iron – so-called nirezist. On the basis of accessible literature analysis and in particular on the basis of seven experimental meltages the following problems are researched: to ensure of austenitic structure, which is necessary for good corrosion resistance. Take precautions against creation of Chunky graphite. The research was also carried out of influence of chromium content on number and location of carbides in the structure. Determination of carbon eutectic concentration for variable cast iron chemist and calculation of eutectic temperature, liquidus temperature and pouring temperature. Determination of influence of carbon and nickel concentration on eutectic and liquidus temperatures.

Czech abstract

Tato práce se zabývá výzkumem a optimalizací výroby těžkých odlitků z niklové austenitické litiny – tzv. nirezistu. Na základě rozboru dostupné literatury a především na základě sedmi provedených experimentálních taveb jsou zde zkoumány následující problémy. Zajištění austenitické struktury nutné pro dobrou korozivzdornost. Opatření proti vzniku Chunky grafitu. Vliv obsahu Cr na množství a rozložení karbidů ve struktuře. Stanovení eutektické koncentrace uhlíku pro měnící se chemické složení litiny a výpočet eutektické teploty, teploty likvidu a licí teploty. Stanovení vlivu koncentrace C a Ni na eutektickou teplotu a teplotu likvidu.

English abstract

This paper deals with research and production optimization of heavy castings from austenitic nickel cast iron – so-called nirezist. On the basis of accessible literature analysis and in particular on the basis of seven experimental meltages the following problems are researched: to ensure of austenitic structure, which is necessary for good corrosion resistance. Take precautions against creation of Chunky graphite. The research was also carried out of influence of chromium content on number and location of carbides in the structure. Determination of carbon eutectic concentration for variable cast iron chemist and calculation of eutectic temperature, liquidus temperature and pouring temperature. Determination of influence of carbon and nickel concentration on eutectic and liquidus temperatures.

Keywords in Czech

austenitická litina, nirezist, chunky grafit, těžké odlitky

Keywords in English

austenitic cast iron, nirezist, chunky graphite, heavy castings

RIV year

2008

Released

13.05.2008

ISBN

978-80-214-3646-6

Book

45th FOUNDRY DAYS and 5th International PhD Foundry Conference

Pages from–to

1–10

Pages count

10

BIBTEX


@inproceedings{BUT35978,
  author="Václav {Kaňa} and Jaroslav {Šenberger} and Antonín {Záděra} and Jan {Čech},
  title="Research and starting the production of heavy castings from high-alloy ductile cast iron",
  booktitle="45th FOUNDRY DAYS and 5th International PhD Foundry Conference",
  year="2008",
  month="May",
  pages="1--10",
  isbn="978-80-214-3646-6"
}