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灰釉是由各種木材或稻草的灰燼製成的陶瓷釉料，在東亞歷史上，尤其是中國、韓國和日本陶器 … 灰釉是由各種木材或稻草的灰燼製成的陶瓷釉料，在東亞歷史上，尤其是中國、韓國和日本陶器史上具有重要地位。諸多傳統東亞陶器仍然使用灰釉，而且東西方的也出現了大量灰釉陶瓷的復興工藝。部分陶瓷藝術家使用柴燒窯來實現隨機效果，木材與草木在燒製過程中產生的灰燼會落到作品上，稱為「自然灰釉」；另外的灰釉作品則是將灰分與水混合，使其呈現糊狀與黏土狀，再經過高溫燒製形成作品。 灰釉始於前1500年左右的中國商代，最初是因為窯中燒焦的木材的灰燼降落在盆上而意外發現的製作工藝。前1000年左右，中國人意識到灰燼覆蓋會引起釉料的光澤效果，所以他們開始在作品入窑前加入人工灰釉作為釉料。灰釉是東亞地區使用的第一種釉料，僅含灰分、粘土和水。 灰釉中的一種是氧化鈣，通常稱為生石灰；並且，大多數灰釉是石灰釉系列的一部分，並非所有灰釉都使用植物灰燼。在一些灰釉中，灰燼中加入了額外的石灰，推測的典型案例是中國越窯。這類灰釉需要相對較高的溫度，大約為1,170°C，使胎體成為炻器；或者將之置於約1,200°C並使用正確的材料，使之形成瓷器。0°C，使胎體成為炻器；或者將之置於約1,200°C並使用正確的材料，使之形成瓷器。
, Ash glazes are ceramic glazes made from th … Ash glazes are ceramic glazes made from the ash of various kinds of wood or straw. They have historically been important in East Asia, especially Chinese pottery, Korean pottery, and Japanese pottery. Many traditionalist East Asian potteries still use ash glazing, and it has seen a large revival in studio pottery in the West and East. Some potters like to achieve random effects by setting up the kiln so that ash created during firing falls onto the pots; this is called "natural" or "naturally occurring" ash glaze. Otherwise the ash is mixed with water, and often clay, and applied as a paste. Ash glazing began around 1500 BC, in China during the Shang Dynasty, initially by accident as ash from the burnt wood in the kiln landed on pots. Around 1000 BC, the Chinese apparently realized that the ash covering the pieces was causing the glaze so they started adding the ash as a glaze before the pot went into the kiln. Ash glaze was the first glaze used in East Asia, and contained only ash, clay, and water. One of the ceramic fluxes in ash glazes is calcium oxide (CaO), commonly known as quicklime, and most ash glazes are part of the lime glaze family, not all of which use ash. In some ash glazes extra lime was added to the ash, which may have been the case with Chinese Yue ware. A relatively high temperature of around 1170 °C is required, high enough to make the body into stoneware or (above about 1200 °C and with the right materials) porcelain.C and with the right materials) porcelain.
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Ash glazes are ceramic glazes made from th … Ash glazes are ceramic glazes made from the ash of various kinds of wood or straw. They have historically been important in East Asia, especially Chinese pottery, Korean pottery, and Japanese pottery. Many traditionalist East Asian potteries still use ash glazing, and it has seen a large revival in studio pottery in the West and East. Some potters like to achieve random effects by setting up the kiln so that ash created during firing falls onto the pots; this is called "natural" or "naturally occurring" ash glaze. Otherwise the ash is mixed with water, and often clay, and applied as a paste.r, and often clay, and applied as a paste.
, 灰釉是由各種木材或稻草的灰燼製成的陶瓷釉料，在東亞歷史上，尤其是中國、韓國和日本陶器 … 灰釉是由各種木材或稻草的灰燼製成的陶瓷釉料，在東亞歷史上，尤其是中國、韓國和日本陶器史上具有重要地位。諸多傳統東亞陶器仍然使用灰釉，而且東西方的也出現了大量灰釉陶瓷的復興工藝。部分陶瓷藝術家使用柴燒窯來實現隨機效果，木材與草木在燒製過程中產生的灰燼會落到作品上，稱為「自然灰釉」；另外的灰釉作品則是將灰分與水混合，使其呈現糊狀與黏土狀，再經過高溫燒製形成作品。 灰釉始於前1500年左右的中國商代，最初是因為窯中燒焦的木材的灰燼降落在盆上而意外發現的製作工藝。前1000年左右，中國人意識到灰燼覆蓋會引起釉料的光澤效果，所以他們開始在作品入窑前加入人工灰釉作為釉料。灰釉是東亞地區使用的第一種釉料，僅含灰分、粘土和水。 灰釉中的一種是氧化鈣，通常稱為生石灰；並且，大多數灰釉是石灰釉系列的一部分，並非所有灰釉都使用植物灰燼。在一些灰釉中，灰燼中加入了額外的石灰，推測的典型案例是中國越窯。這類灰釉需要相對較高的溫度，大約為1,170°C，使胎體成為炻器；或者將之置於約1,200°C並使用正確的材料，使之形成瓷器。0°C，使胎體成為炻器；或者將之置於約1,200°C並使用正確的材料，使之形成瓷器。
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| rdfs:label |
Ash glaze
, 灰釉
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