{
  "$type": "site.standard.document",
  "description": "The invention is directed to a glass-ceramic seal, said seal comprising a boron-free, zinc-free glass-ceramic. The seals have a coefficient of thermal expansion in the range of 70-130 x 10 -7 °C, preferably 85-115 x 10- 7 °C. The glass-ceramic materials have a crystalline component and a glass…",
  "path": "/patents/996185",
  "publishedAt": "2012-11-14T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "C03C10/00",
    "CORNING INC [US]"
  ],
  "textContent": "The invention is directed to a glass-ceramic seal, said seal comprising a boron-free, zinc-free glass-ceramic. The seals have a coefficient of thermal expansion in the range of 70-130 x 10 -7 °C, preferably 85-115 x 10- 7 °C. The glass-ceramic materials have a crystalline component and a glass component, the crystalline component being >50% of the glass-ceramic and the glass component being 50% of the crystals in the crystalline component of the glass-ceramic has a structure selected from the structural groups represented by kalsilite, kaliophilite and wollastonite (the primary crystalline phase) and the remaining",
  "title": "Glass-ceramic seals for use in solid oxide fuel cells"
}