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AssigneesAGC Inc., Combustion Synthesis Co., Ltd.
InventorsYusaku MATSUO, Satoshi MIYASAKA, Tomoki FURUKAWA, Yuta YOKOYAMA, Kentaro TAKANAMI, Shuhei OGAWA, Kyoko TAYAMA, Hajime ITO, Yoshiharu KAGAMI, Kazuto HARADA
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A silicon nitride-type sintered body has a total content of at least one metal M selected from the group consisting of Mg. Ca and Y of from 0.2 to 8.0% by mass, an Al content of from 4.0 to 12.0% by mass, an O content of from 4.0 to 12.0% by mass, and a fracture toughness value of from 5.0 to 10.0 MPa·m1/2.
A silicon nitride-type sintered body having a total content of at least one metal M selected from the group consisting of Mg, Ca and Y of from 0.2 to 8.0% by mass, an Al content of from 4.0 to 12.0% by mass, an O content of from 4.0 to 12.0% by mass, and a fracture toughness value of from 5.0 to 10.0 MPa·m1/2.
Dependencies are inferred from the claim text.