page_title: Wind chime
section_title: Materials
hierarchical_section_title: Wind chime / Materials
caption_attribution_description: English: Wind chime close-up
context_page_description: Wind chimes are a type of percussion instrument constructed from suspended tubes, rods, bells or other objects that are often made of metal or wood. The tubes or rods are suspended along with some type of weight or surface which the tubes or rods can strike when they or another wind-catching surface are blown by the natural movement of air outside. They are usually hung outside of a building or residence as a visual and aural garden ornament. Since the percussion instruments are struck according to the random effects of the wind blowing the chimes, wind chimes have been considered an example of chance-based music. The tubes or rods may sound either indistinct pitches, or fairly distinct pitches. Wind chimes that sound fairly distinct pitches can, through the chance movement of air, create simple melodies or broken chords.
context_section_description: Wind chimes can be made of materials other than metal or wood and in shapes other than tubes or rods. Other wind chimes materials include glass, bamboo, shell, stone, earthenware, stoneware, beads, keys and porcelain. More exotic items, such as silverware or cookie cutters, can also be recycled to create wind chimes. The selected material can have a large effect on the sound a wind chime produces. The sounds produced by recycling objects such as these are not tunable to specific notes and range from pleasant tinkling to dull thuds. The sounds produced by properly sized wind chime tubes are tunable to notes.  As aluminum is the common metal with the lowest internal damping, wind chimes are often made from aluminum to achieve the longest and loudest sounding chime.
  The tone depends on factors such as the material, the exact alloy, heat treatment, and whether a solid cylinder or a tube is used. If a tube is used, the wall thickness also affects the tone. Tone may also depend on the hanging method. The tone quality also depends on the material of the object that is used to hit the chimes.
  With clay wind chimes, the higher the final firing temperature, the brighter and more ringing the resulting tone. Earthenware clay fired at lower temperatures produces a duller sound than stoneware clay fired at higher temperatures. Stoneware wind chimes are also more durable and able to resist stronger winds without suffering chipping or damage.
caption: A close-up of metal rods on a wind chime.
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