{
  "$type": "site.standard.document",
  "description": "The present invention relates to a flake graphite cast iron simultaneously having high strength, good machinability, and fluidity, to a method for manufacturing same, and to an engine body comprising the flake graphite cast iron for an internal combustion engine and, more particularly, to a method…",
  "path": "/patents/968158",
  "publishedAt": "2014-10-29T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B22D1/00",
    "DOOSAN INFRACORE CO LTD [KR]"
  ],
  "textContent": "The present invention relates to a flake graphite cast iron simultaneously having high strength, good machinability, and fluidity, to a method for manufacturing same, and to an engine body comprising the flake graphite cast iron for an internal combustion engine and, more particularly, to a method for manufacturing a flake graphite cast iron, for an engine cylinder block and head having improved castablility, a low possibility of the occurrence of chill due to ferroalloy, stable tensile strength and yield strength, and good machinability by adding a trace of strontium in a cast iron including carbon (C), silicon (Si), manganese (Mn), sulfur (S), and phosphorus (P), which are five elements of the cast iron, molybdenum (Mo), a high strengthening additive, and copper (Cu) while controlling the ratio (S/Sr) of the sulfur (S) content to the strontium (Sr) content in the cast ion.",
  "title": "METHOD FOR MANUFACTURING HIGH STRENGTH FLAKE GRAPHITE CAST IRON, FLAKE GRAPHITE CAST IRON MANUFACTURED BY THE METHOD, AND ENGINE BODY COMPRISING THE CAST IRON FOR INTERNAL COMBUSTION ENGINE"
}