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Filtering by: Subject Vacuum arcs Non-Academic Affiliation Oregon State University. Graduate School

Computational Investigation on the Effects of Arc Location in Vacuum Arc Remelting

Creator:

Soler, Miguel

Abstract:

Vacuum arc remelting (VAR) is a secondary melting process for exotic alloys. The main purpose of this process is to increase the input ingot’s physical and chemical homogeneity. This is accomplished through the application of a high current that melts the material through the emergence of electrical arcs that induce...

Resource Type:

Masters Thesis

Full Text:

: Computational Investigation on the Effects of Arc Location in Vacuum Arc Remelting Abstract approved: Kyle E
Arc distribution and motion during the vacuum arc remelting process as detected with a magnetostatic approach

Creator:

Woodside, Rigel

Abstract:

Currently, the temporal arc distribution across the ingot during the vacuum arc remelting (VAR) process is not a known or monitored parameter. It is has previously been shown that arcs can spatially constrict during VAR, and this constriction can lead to undesired defects in the material. Additionally, correct accounting for...

Resource Type:

Dissertation

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Engineering presented On June 4, 2010 Title: Arc Distribution and Motion During the Vacuum Arc Remelting
Investigating arc behavior in a DC vacuum arc remelting furnace using magnetic flux density measurements

Creator:

Woodside, Rigel

Abstract:

The behavior of a metal vapor plasma arc in a vacuum arc remelting (VAR) furnace is believed to contribute to the formation of defects in reactive metal and super-alloy ingots. Industry standard instrumentation, which includes electric current and voltage measurements, can asses the stability of an arc but cannot predict...

Resource Type:

Masters Thesis

Full Text:

Title: Investigating Arc Behavior in a DC Vacuum Arc Remelting Furnace Using Magnetic Flux Density