{"id":2517,"date":"2015-04-27T15:38:46","date_gmt":"2015-04-27T13:38:46","guid":{"rendered":"http:\/\/www.cookson-clal.com\/le-blog\/?p=2517"},"modified":"2017-02-27T14:13:58","modified_gmt":"2017-02-27T12:13:58","slug":"le-keum-boo","status":"publish","type":"post","link":"https:\/\/www.cookson-clal.com\/le-blog\/le-keum-boo\/","title":{"rendered":"Le Keum-Boo"},"content":{"rendered":"
\n

Une technique tr\u00e8s ancienne.<\/h1>\n<\/header>\n

En effet, la technique du Keu-boo est utilis\u00e9e depuis plus de 2000 ans. Le \u00ab\u00a0keum-boo\u00a0\u00bb signifie or attach\u00e9 (ou li\u00e9). C’est une technique ancienne originaire de Cor\u00e9e qui s\u2019est diffus\u00e9e rapidement en Asie. Cette technique consiste \u00e0 appliquer une fine feuille d\u2019or pur (env 0.001 mm) sur de l\u2019argent pur ou de l\u2019argent sterling.<\/p>\n

La technique<\/strong><\/p>\n

Pour que les deux m\u00e9taux adh\u00e8rent, il n’y a pas besoin de soudure. L\u2019or et l\u2019argent ont une\u00a0structure atomique presque identique et devienent instable une fois le m\u00e9tal chauff\u00e9 entre\u00a0350\u00b0C et 500\u00b0C. D\u00e8s que cette temp\u00e9rature est atteinte, on exerce un frottement sur la feuille d’or (avec un outil d\u2019acier ou d\u2019agate poli: un brunissoir), ce qui provoque une pression et la feuille adh\u00e8re de fa\u00e7on permanente \u00e0 la surface en argent.<\/p>\n

Quelques conseils pour la\u00a0r\u00e9alisation de vos bijoux<\/strong><\/p>\n

Pour r\u00e9aliser la technique du Kum-boo, il est possible d’utiliser une simple plaque chauffante (cf. photo ci-dessous). C’est sur cette\u00a0source\u00a0de chaleur que\u00a0sera fix\u00e9e une plaque de cuivre (ainsi, la chaleur pourra mieux se r\u00e9partir).
\nPour que la feuille d\u2019or adh\u00e8re correctement au m\u00e9tal, il faut que la temp\u00e9rature soit suffisamment \u00e9lev\u00e9e\u00a0entre\u00a0350\u00b0C et 500\u00b0C.
\nIl faut \u00e9galement que les\u00a0pi\u00e8ces soient extr\u00eamement propres, la moindre salet\u00e9 ou trace de gras de doigts peut nuire \u00e0 l’op\u00e9ration.
\nSi la feuille d\u2019or se colle sur le brunissoir, c\u2019est qu\u2019il est trop chaud, de ce fait, munissez-vous d’un pot d’eau froide \u00e0 proximit\u00e9 pour refroidir vos outils si besoin.\u00a0N’oubliez surtout pas de porter des gants en cuir pour vous prot\u00e9ger des br\u00fblures.<\/p>\n

La technique du Keum-boo peut aussi bien se r\u00e9aliser sur des surfaces lisses que sur des surfaces textur\u00e9es. Mais attention, plus relief est important, plus il\u00a0sera compliqu\u00e9 d’appliquer la feuille d’or correctement.<\/p>\n

\"M\u00e9thode

M\u00e9thode Keum-boo<\/p><\/div>\n

\"M\u00e9thode

M\u00e9thode Keum-boo<\/p><\/div>\n

\"M\u00e9thode

M\u00e9thode Keum-boo<\/p><\/div>\n

\"<\/p>\n

 <\/p>\n

Pour vous essayer \u00e0 cette technique, Cookson-Clal vous propose :<\/strong><\/p>\n

\"Feuilles<\/a>

Feuilles d’or de chez Cookson-clal<\/p><\/div>\n

\"Argent<\/a>

Argent de Cookson-Clal<\/p><\/div>\n

\"Argent<\/a>

Argent de chez Cookson-Clal<\/p><\/div>\n

\"Brunissoirs<\/a>

Brunissoirs de chez Cookson-Clal \u00e0 partir de 15,42\u20ac<\/p><\/div>\n

\"gants<\/a>

Gants Alutherm – protection m\u00e9taux fondus – de chez Cookson-Clal<\/p><\/div>\n

\"Brucelles<\/a>

Brucelles de Cookson-Clal \u00e0 partir de 1,73\u20ac<\/p><\/div>\n

\n","protected":false},"excerpt":{"rendered":"

Une technique tr\u00e8s ancienne. En effet, la technique du Keu-boo est utilis\u00e9e depuis plus de 2000 ans. Le \u00ab\u00a0keum-boo\u00a0\u00bb signifie or attach\u00e9 (ou li\u00e9). C’est une technique ancienne originaire de…<\/p>\n","protected":false},"author":5,"featured_media":2531,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[247,246],"tags":[142,27,182,196,145,133,162],"yoast_head":"\r\nLe Keum-Boo | L'atelier - Le blog des cr\u00e9ateurs de bijoux Cookson CLAL<\/title>\r\n<meta name=\"description\" content=\"Le Keum-Boo est une technique ancienne originaire de Cor\u00e9e qui s\u2019est diffus\u00e9e rapidement en Asie. 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