Bimetallic strip
Bimetallic strip is a mechanical element that consists of two different metals or alloys, which are bonded together. This strip is used in a variety of applications, primarily for its unique property of bending or curving in response to changes in temperature.
Composition[edit | edit source]
A bimetallic strip is composed of two different metals, typically copper and iron, steel, or brass. These metals are chosen for their differing coefficients of thermal expansion, which is the rate at which they expand or contract in response to changes in temperature. The metal with the higher coefficient of thermal expansion is usually placed on the outer side of the strip.
Function[edit | edit source]
The primary function of a bimetallic strip is to convert a temperature change into mechanical displacement. When the strip is heated, the metal with the higher coefficient of thermal expansion expands more than the other metal. This causes the strip to bend or curve. Conversely, when the strip is cooled, it bends in the opposite direction. This property is utilized in a variety of applications, including thermostats, fire alarms, and oven controls.
Applications[edit | edit source]
Bimetallic strips are used in a wide range of applications due to their unique property of bending in response to temperature changes. Some of the most common applications include:
- Thermostats: In a thermostat, a bimetallic strip is used to break or make an electrical circuit based on the ambient temperature. When the temperature rises above a certain point, the strip bends and breaks the circuit, turning off the heating device. When the temperature falls below a certain point, the strip bends in the opposite direction and makes the circuit, turning on the heating device.
- Fire Alarms: In a fire alarm, a bimetallic strip is used to trigger the alarm when the temperature rises above a certain point. The strip bends and breaks a circuit, which triggers the alarm.
- Oven Controls: In an oven control, a bimetallic strip is used to regulate the temperature of the oven. The strip bends and breaks or makes a circuit based on the temperature inside the oven, turning the heating element on or off as needed.
See Also[edit | edit source]
 | This physics-related article is a stub. You can help WikiMD by expanding it. |
 | This engineering-related article is a stub. You can help WikiMD by expanding it. |
Search WikiMD
Ad.Tired of being Overweight? Try W8MD's physician weight loss program.
Semaglutide (Ozempic / Wegovy and Tirzepatide (Mounjaro / Zepbound) available.
Advertise on WikiMD
|
WikiMD's Wellness Encyclopedia |
| Let Food Be Thy Medicine Medicine Thy Food - Hippocrates |
Translate this page: - East Asian
中文,
日本,
한국어,
South Asian
हिन्दी,
தமிழ்,
తెలుగు,
Urdu,
ಕನ್ನಡ,
Southeast Asian
Indonesian,
Vietnamese,
Thai,
မြန်မာဘာသာ,
বাংলা
European
español,
Deutsch,
français,
Greek,
português do Brasil,
polski,
română,
русский,
Nederlands,
norsk,
svenska,
suomi,
Italian
Middle Eastern & African
عربى,
Turkish,
Persian,
Hebrew,
Afrikaans,
isiZulu,
Kiswahili,
Other
Bulgarian,
Hungarian,
Czech,
Swedish,
മലയാളം,
मराठी,
ਪੰਜਾਬੀ,
ગુજરાતી,
Portuguese,
Ukrainian
Medical Disclaimer: WikiMD is not a substitute for professional medical advice. The information on WikiMD is provided as an information resource only, may be incorrect, outdated or misleading, and is not to be used or relied on for any diagnostic or treatment purposes. Please consult your health care provider before making any healthcare decisions or for guidance about a specific medical condition. WikiMD expressly disclaims responsibility, and shall have no liability, for any damages, loss, injury, or liability whatsoever suffered as a result of your reliance on the information contained in this site. By visiting this site you agree to the foregoing terms and conditions, which may from time to time be changed or supplemented by WikiMD. If you do not agree to the foregoing terms and conditions, you should not enter or use this site. See full disclaimer.
Credits:Most images are courtesy of Wikimedia commons, and templates Wikipedia, licensed under CC BY SA or similar.
Contributors: Prab R. Tumpati, MD
