Pyrometric cone: Difference between revisions

Latest revision as of 00:47, 28 February 2025

A pyrometric cone is a device used in the ceramic industry to gauge the effects of heatwork during the firing of ceramic materials. Pyrometric cones are designed to melt and bend at specific temperatures, providing a visual indication of the heatwork achieved in a kiln.

Description[edit]

Pyrometric cones are made from carefully formulated compositions of ceramic materials. These materials are designed to melt at specific temperatures, allowing the cone to bend when the desired heatwork is reached. The bending of the cone indicates that the kiln has reached the appropriate temperature for the ceramic materials being fired.

Usage[edit]

Pyrometric cones are placed in a kiln alongside the ceramic ware. As the temperature in the kiln increases, the cones begin to soften and eventually bend. The degree of bending indicates the amount of heatwork the ceramics have been subjected to. This is crucial for ensuring that the ceramics are fired to the correct specifications.

Types of Pyrometric Cones[edit]

There are several types of pyrometric cones, each designed to melt at different temperatures. The most common types are the Orton Cone and the Seger Cone. These cones are numbered to indicate their melting points, with lower numbers melting at lower temperatures.

Applications[edit]

Pyrometric cones are used in various applications, including the firing of pottery, porcelain, and other ceramic materials. They are essential tools for ceramic artists and industrial manufacturers to ensure consistent and high-quality results.

History[edit]

The use of pyrometric cones dates back to the early 20th century, when they were first developed to provide a reliable method for measuring heatwork in kilns. Since then, they have become a standard tool in the ceramic industry.

References[edit]

"Pyrometric Cones: Their Use and Function in the Ceramic Industry." Ceramic Review, 2023.
Orton Ceramic Foundation. "Understanding Pyrometric Cones." Accessed October 2023.

External Links[edit]

[Orton Ceramic Foundation](https://www.ortonceramic.com)

@@ Line 1: / Line 1: @@
-[[file:Figure_6.gif|thumb|Figure 6]] [[file:Segerkegel.jpg|thumb|Segerkegel|left]] '''Pyrometric cone'''
+[[File:Segerkegel.jpg|Segerkegel|thumb]]
+A '''pyrometric cone''' is a device used in the ceramic industry to gauge the effects of heatwork during the firing of ceramic materials. Pyrometric cones are designed to melt and bend at specific temperatures, providing a visual indication of the heatwork achieved in a kiln.
-[[File:Pyrometric_cones.jpg|thumb|Pyrometric cones in use]]
+==Description==
+Pyrometric cones are made from carefully formulated compositions of ceramic materials. These materials are designed to melt at specific temperatures, allowing the cone to bend when the desired heatwork is reached. The bending of the cone indicates that the kiln has reached the appropriate temperature for the ceramic materials being fired.
-A '''pyrometric cone''' is a device used to gauge the heatwork (the combined effect of time and temperature) in a kiln during the firing of ceramic materials. These cones are made from carefully formulated compositions of ceramic materials, which are designed to melt and bend at specific temperatures. Pyrometric cones are essential tools in the field of [[ceramics]] and are widely used by potters and industrial manufacturers to ensure the proper firing of their products.
+==Usage==
+Pyrometric cones are placed in a kiln alongside the ceramic ware. As the temperature in the kiln increases, the cones begin to soften and eventually bend. The degree of bending indicates the amount of heatwork the ceramics have been subjected to. This is crucial for ensuring that the ceramics are fired to the correct specifications.
-==History==
-The development of pyrometric cones can be traced back to the late 19th century. They were invented by [[Hermann Seger]], a German chemist, who sought a reliable method to measure the heatwork in kilns. Seger's cones, also known as Seger cones, became the standard for measuring kiln temperatures and are still in use today.
-==Function and Use==
-Pyrometric cones are placed in the kiln alongside the ceramic ware. As the temperature in the kiln rises, the cones absorb heat and begin to soften. Each cone is designed to bend at a specific temperature, providing a visual indication that the desired heatwork has been achieved. The bending of the cone is a result of the melting of the materials within the cone, which causes it to deform under its own weight.
 ==Types of Pyrometric Cones==
-There are several types of pyrometric cones, each designed for different temperature ranges and firing conditions. The most common types include:
+There are several types of pyrometric cones, each designed to melt at different temperatures. The most common types are the [[Orton Cone]] and the [[Seger Cone]]. These cones are numbered to indicate their melting points, with lower numbers melting at lower temperatures.
-* '''Standard Cones''': Used for general ceramic firing, these cones are available in a wide range of temperatures.
-* '''Self-Supporting Cones''': These cones have a built-in base, allowing them to stand upright without additional support.
-* '''Junior Cones''': Smaller versions of standard cones, used in small kilns or for testing purposes.
-==Temperature Ranges==
-Pyrometric cones are numbered to indicate their melting temperatures. The numbering system ranges from cone 022 (approximately 600°C) to cone 42 (approximately 2000°C). Lower numbers correspond to higher temperatures. For example, cone 06 melts at a lower temperature than cone 10.
 ==Applications==
-Pyrometric cones are used in various applications, including:
+Pyrometric cones are used in various applications, including the firing of [[pottery]], [[porcelain]], and other ceramic materials. They are essential tools for [[ceramic artists]] and [[industrial manufacturers]] to ensure consistent and high-quality results.
-* [[Pottery]]: Ensuring that glazes and clay bodies are fired to the correct temperature.
-* [[Industrial ceramics]]: Monitoring the firing of bricks, tiles, and other ceramic products.
-* [[Glass]]: Controlling the annealing and fusing processes.
-==Advantages==
+==History==
-The use of pyrometric cones offers several advantages:
+The use of pyrometric cones dates back to the early 20th century, when they were first developed to provide a reliable method for measuring heatwork in kilns. Since then, they have become a standard tool in the ceramic industry.
-* '''Accuracy''': Provides a reliable measure of heatwork, accounting for both temperature and time.
-* '''Simplicity''': Easy to use and interpret, requiring no complex equipment.
-* '''Versatility''': Suitable for a wide range of firing conditions and materials.
-==Related Pages==
+==See Also==
 * [[Kiln]]
-* [[Ceramics]]
+* [[Ceramic]]
-* [[Pottery]]
-* [[Glaze]]
 * [[Firing (ceramics)]]
-* [[Hermann Seger]]
-==See Also==
+==References==
-* [[Thermocouple]]
+* "Pyrometric Cones: Their Use and Function in the Ceramic Industry." Ceramic Review, 2023.
-* [[Kiln sitter]]
+* Orton Ceramic Foundation. "Understanding Pyrometric Cones." Accessed October 2023.
-* [[Ceramic engineering]]
+==External Links==
+* [Orton Ceramic Foundation](https://www.ortonceramic.com)
 {{Ceramics}}
-{{medicine-stub}}
+{{Materials}}
 [[Category:Ceramics]]
-[[Category:Pottery]]
+[[Category:Materials Science]]
 [[Category:Kilns]]
-[[Category:Temperature measurement]]