{
  "$type": "site.standard.document",
  "description": "Gas turbine blades have a ceramic thermal insulation layer of 10-95 wt.% magnesium aluminate (MgAl2O4), 5-90 wt.% magnesium oxide (MgO) and 0-20 wt.% aluminum oxide (Al2O3), rest usual impurities. It has MgO grains with an average diameter of 0.1-10 mu m embedded in a matrix of MgAl2O4 spinel. The…",
  "path": "/patents/1101176",
  "publishedAt": "2002-10-09T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "C23C28/00",
    "SIEMENS AG [DE]"
  ],
  "textContent": "Gas turbine blades have a ceramic thermal insulation layer of 10-95 wt.% magnesium aluminate (MgAl2O4), 5-90 wt.% magnesium oxide (MgO) and 0-20 wt.% aluminum oxide (Al2O3), rest usual impurities. It has MgO grains with an average diameter of 0.1-10 mu m embedded in a matrix of MgAl2O4 spinel. The layer has a porosity of over 3 vol.%.",
  "title": "Gas turbine blade"
}