Processing of non-oxide ceramics from sol-gel methods
US-9840443-B2 · Dec 12, 2017 · US
Zirconium boride and method of its manufacture
US10974966B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10974966-B2 |
| Application number | US-201715777917-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jan 26, 2017 |
| Priority date | Jan 27, 2016 |
| Publication date | Apr 13, 2021 |
| Grant date | Apr 13, 2021 |
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- Title
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Abstract
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In order to provide a zirconium boride that provides high caloric value at the time of its combustion with a compound having radicals such as perchlorate and can combust in a short period of time, while providing high physical stability, an amount of radical derived from lattice defect detected by ESR spectroscopy, is set to 0.1×1015 spin/mg or more.
First claim
Opening claim text (preview).
The invention claimed is: 1. A zirconium boride composition comprising: zirconium boride as a principal component; carbon, the carbon being from 1 to 15% by weight; a heat generation peak between 400 and 600° C.; and a heat generation rate of 10 μV/mg or more, wherein the heat generation peak and the heat generation rate are measured by a TG-DTA analysis, the TG-DTA analysis is performed in a nitrogen atmosphere for a mixture thereof with potassium perchlorate, and a resultant characteristic temperature increase curve determined by the TG-DTA analysis defines the heat generation peak and the heat generation rate. 2. The zirconium boride composition of claim 1 , wherein the zirconium boride composition comprises zirconium boride as a principal component and carbon; and the carbon is from 3 to 12% by weight. 3. The zirconium boride composition of claim 1 , wherein the zirconium boride composition has a specific surface area ranging from 5 to 50 m 2 /g.
Assignees
Inventors
Classifications
based on zirconium or hafnium borides · CPC title
Carbon content · CPC title
Crystal structural characteristics, e.g. symmetry · CPC title
Carbon · CPC title
Multi-step sintering · CPC title
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Frequently asked questions
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- What does patent US10974966B2 cover?
- In order to provide a zirconium boride that provides high caloric value at the time of its combustion with a compound having radicals such as perchlorate and can combust in a short period of time, while providing high physical stability, an amount of radical derived from lattice defect detected by ESR spectroscopy, is set to 0.1×1015 spin/mg or more.
- Who is the assignee on this patent?
- Daiichi Kigenso Kagaku Kogyo
- What technology area does this patent fall under?
- Primary CPC classification C01B35/04. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Apr 13 2021 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).