Innovative and safe method to conduct high temperature halogenation of metallic alloys

a high-temperature halogenation, safe technology, applied in the direction of weather/light/corrosion resistance, instruments, chloride preparation, etc., can solve the problem that metal alloys that form metal halides may suffer high-temperature corrosion, and achieve the effect of reducing safety concerns

Inactive Publication Date: 2017-12-28
CALIFORNIA POLYTECHNIC STATE UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Benefits of technology

[0008]It is an objective of this invention to provide a method for testing metallic alloys in a halogen-containing environment with ease and reduced safety concerns.
[0009]It is a further objective of this invention to provide a method that allows for long term exposure of metallic alloys in order to conduct testing of said metallic alloys in a halogen-containing environment.

Problems solved by technology

As a result, metallic alloys that form metal halides may suffer high-temperature corrosion.

Method used

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  • Innovative and safe method to conduct high temperature halogenation of metallic alloys
  • Innovative and safe method to conduct high temperature halogenation of metallic alloys

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Embodiment Construction

[0015]For illustrative purposes, the principles of the present invention are described by referring to an exemplary embodiment thereof. Before any embodiment of the invention is explained in detail, it should be understood that the invention is not limited in its application to the details of construction and the arrangement of components set forth in the following description or illustrated in the following drawings. The invention is capable of other embodiments and of being practiced or of being carried out in various ways. Also, it should be understood that the phraseology and terminology used herein is for the purpose of description and should not be regarded as limiting. The use of “including,”“comprising,” or “having” and variations thereof herein is meant to encompass the items listed thereafter and equivalents thereof as well as additional items.

[0016]The present invention involves exposing a metallic alloy to a halogen gas of a specific partial pressure at a pre-determined ...

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Abstract

The present invention discloses a method and system for conducting high temperature corrosion tests on metallic alloys without the need for extensive laboratory equipment and attendant safety measures through the use of a two-compartment ampoule where a vestibule connects these two compartments. A pre-selected mixture of salts is placed in one compartment in order to generate a specific partial pressure of halogen gas; and a metallic alloy is placed in the other compartment. The ampoule is then heated to a pre-determined temperature and held at this temperature for a pre-determined time period. A halogen gas of a specific partial pressure is thereby generated from the mixture of salts which comes into contact with the metallic alloy. Because the ampoule creates a sealed environment, the metallic alloy is under constant halogenation during the pre-determined time period. The metallic alloy is removed for examination when the pre-determined time period expires.

Description

RELATED APPLICATION[0001]This application claims the benefit of priority under 35 U.S.C. §119(e) to Provisional Application No. 62 / 297,519, filed on Feb. 19, 2016, which is incorporated by reference in its entirety.STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT[0002]Not Applicable.INCORPORATION BY REFERENCE OF MATERIAL SUBMITTED ON A COMPACT DISC[0003]Not Applicable.THE NAMES OF THE PARTIES TO A JOINT RESEARCH AGREEMENT[0004]Not applicable.BACKGROUND OF THE INVENTION[0005]Many metals readily react with halogen gases at elevated temperatures to form metal halides. Some metal halides exhibit low melting points and some even sublime at relatively low temperatures. As a result, metallic alloys that form metal halides may suffer high-temperature corrosion. Industrial environments often contain halogen gases. Therefore, reactor vessels that are resistant to high temperature halogenation attack are often required.[0006]Hydrogen (H2) and silicon-tetrachloride (SiCl4) are us...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): G01N17/00C01B7/03G01N17/04G01N33/00C01G53/09C01B9/02G01N33/20
CPCG01N17/006C01G53/09C01B7/03C01B9/02Y10T436/25875G01N33/20Y10T436/19G01N17/00G01N17/043G01N33/0052C01B7/01
Inventor RAVI, VILUPANER A.NAVA, JUAN CARLOSKASNAKJIAN, SHAHAN
Owner CALIFORNIA POLYTECHNIC STATE UNIVERSITY
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