Reduction

Definition

In the context of Goryeo celadon production, reduction refers to a firing technique used in ceramics to create specific aesthetic qualities by limiting the oxygen in the kiln atmosphere during the glaze application. This process alters the chemical reactions within the clay and glaze, resulting in distinctive colors and finishes that are characteristic of Goryeo celadon wares. By controlling the atmosphere, artisans could achieve a glossy surface and rich jade-like hues that are celebrated for their beauty.

5 Must Know Facts For Your Next Test

1. Reduction firing typically results in glazes that exhibit deep greens and blues, often sought after for their visual appeal in Goryeo celadon.
2. The reduction process is achieved by adjusting the kiln's ventilation, creating a low-oxygen environment that is crucial for producing celadon’s signature hues.
3. Goryeo celadon pieces are known for their intricate inlays and carvings, which are enhanced by the glossy finish achieved through reduction techniques.
4. Artisans from the Goryeo period were highly skilled at manipulating the firing conditions, making reduction an essential part of their creative process.
5. The beauty and uniqueness of Goryeo celadon created during reduction firing have made these pieces highly prized in both historical and contemporary contexts.

Review Questions

• How does reduction differ from oxidation firing in the context of Goryeo celadon production?
  • Reduction firing differs from oxidation firing mainly in terms of oxygen levels within the kiln. In reduction firing, limited oxygen creates a low-oxygen atmosphere that alters chemical reactions, resulting in deep greens and blues typical of Goryeo celadon. In contrast, oxidation firing allows plenty of oxygen, leading to lighter colors and different glaze effects. This distinction is crucial for understanding how artisans achieved specific aesthetic qualities in their ceramics.
• Discuss the importance of controlling kiln atmosphere during Goryeo celadon production and its impact on final product aesthetics.
  • Controlling the kiln atmosphere is essential during Goryeo celadon production as it directly influences the chemical reactions that occur during firing. The ability to create a reduction environment allows artisans to achieve the rich jade-like colors and glossy finishes characteristic of these wares. This manipulation not only affects color but also enhances the visual texture and depth of glazes, making each piece unique and valuable. Understanding this control over kiln conditions highlights the technical skill and artistry involved in celadon production.
• Evaluate the role of reduction techniques in establishing Goryeo celadon as a significant art form within East Asian history.
  • Reduction techniques played a pivotal role in establishing Goryeo celadon as a significant art form by allowing artisans to explore innovative glazing methods that resulted in highly desirable aesthetic qualities. The mastery of reduction firing contributed to a distinct identity for Goryeo celadon, showcasing artistic excellence that influenced later ceramic traditions across East Asia. By achieving unique colors and finishes through careful atmospheric control, Goryeo celadon not only represented high craftsmanship but also became a symbol of cultural sophistication during its time, impacting its legacy in art history.

Related terms

Celadon: A type of ceramic glaze characterized by its jade green color, often associated with East Asian pottery, particularly during the Goryeo dynasty.

Oxidation Firing: A firing process where there is an ample supply of oxygen in the kiln, leading to different color outcomes compared to reduction firing.

Kiln Atmosphere: The environment within a kiln during firing, which can be controlled to influence the chemical reactions in the clay and glaze.