Detail of "90397-40-3"
- CAS Number:
- 90397-40-3
- Name:
Methanol, yttrium(3+)salt (9CI)
- Molecular Structure:
- Formula:
- CH4 O . 1/3 Y
- Molecular Weight:
- 0
- Synonyms:
- Yttriummethoxide (6CI); Yttrium trimethoxide
Methanol, yttrium(3+)salt (9CI)
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Reference
- Manufacture of silicon nitride sinters
- Manufacture of silicon nitride sinters. Yamakawa, Akira; Myake, Masaya (Sumitomo Electric Industries, Ltd., Japan). Jpn. Kokai Tokkyo Koho JP 61251578 A2 8 Nov 1986 Showa, 3 pp. (Japan) CODEN: JKXXAF. CLASS: ICM: C04B035-58. APPLICATION: JP 85-94036 30 Apr 1985. DOCUMENT TYPE: Patent CA Section: 57 (Ceramics) Si3N4 sinters are prepd. by adding 31 alkoxides of Mg, Al, Si, Sc, and lanthanides to Si3N4 powder, mixing, forming, and sintering at 1650-1900° in a non-oxidative atm. Si3N4 powder is uniformly dispersed by using alkoxides as sintering aids. Thus, methoxides of Al and Y (5 wt.% as Al2O3 and 3 wt.% as Y2O3, resp.) were added to Si3N4 powder and mixed with EtOH, dried, press-molded, and sintered at 1750° for 1 h in N2 to form a Si3N4 sinter having bending strength 90 kg/cm2 and Weibull coeff. 20, compared to 75 and 8 using Al2O3 and Y2O3 as sintering aids.Except for chemicals metioned above, 7440-65-5 and 90397-40-3 are also used. .