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The measuring methods of critical exposure and penetration depth were studied. The effects of light intensity and resin color on resin curing were measured. Under certain conditions, the penetration depth generally increased with the increase of light intensity,and the critical exposure also increased with the increase of light intensity. Light colors have higher penetration depth than dark colors, and require higher critical exposure. The depth of cure decreases with increasing concentration of photoinitiator. 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科技导报
| 论文 2024, 42(4): 110-114
光固化3D打印光敏树脂的临界能量和固化深度影响因素
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陈静, 杨晓帅, 张鹏飞, 张爱平
作者信息
Studies on the influence factors on E c and D p of photocuring 3D printing photosensitive resin
Affiliations
出版时间: 2024-02-28
doi: 10.3981/j.issn.1000-7857.2024.04.011
文章导航
不同的3D打印光敏树脂,在同一3D打印机下进行光固化,其固化性能有所差异。采用临界曝光量和固化深度2个特性参数来表征光固化树脂的光敏性,探讨了临界曝光量和固化深度之间的数学关系,研究了临界曝光量和固化深度的测定方法,测定了光强和树脂的颜色对树脂固化的影响。在一定条件下,固化深度通常随光照强度的增加而增加,临界曝光量也随光照强度的增加而增加;浅色比深色树脂固化深度高,且所需临界曝光量更高。同时,固化深度随着光引发剂的浓度增加而降低;临界曝光量随着光引发剂浓度的增加先降低,后趋于平缓。
The curing performance of different 3D printing photosensitive resins varies, which are light cured under the same 3D printer. 2 characteristic parameters, critical exposure and transmission depth, were used to characterize the photosensitivity of photosensitive adhesives, and the mathematical relationship between critical exposure and transmission depth was explored. The measuring methods of critical exposure and penetration depth were studied. The effects of light intensity and resin color on resin curing were measured. Under certain conditions, the penetration depth generally increased with the increase of light intensity,and the critical exposure also increased with the increase of light intensity. Light colors have higher penetration depth than dark colors, and require higher critical exposure. The depth of cure decreases with increasing concentration of photoinitiator. The critical exposure decreases firstly with the increase of photoinitiator concentration, and then tends to be flat.
3DP
/
resin
/
penetration depth
/
critical exposure
陈静, 杨晓帅, 张鹏飞, 张爱平.
光固化3D打印光敏树脂的临界能量和固化深度影响因素.
科技导报,
2024
, 42
(4)
: 110
-114
.
DOI: 10.3981/j.issn.1000-7857.2024.04.011
CHEN Jing, YANG Xiaoshuai, ZHANG Pengfei, ZHANG Aiping.
Studies on the influence factors on E c and D p of photocuring 3D printing photosensitive resin[J].
Science & Technology Review ,
2024
, 42
(4)
: 110
-114
.
DOI: 10.3981/j.issn.1000-7857.2024.04.011
2024年第42卷第4期
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文章信息
doi: 10.3981/j.issn.1000-7857.2024.04.011
接收时间:2023-03-26
首发时间:2024-04-08
出版时间:2024-02-28
收稿日期:2023-03-26
修回日期:2023-06-06
https://castjournals.cast.org.cn/joweb/kjdb/CN/10.3981/j.issn.1000-7857.2024.04.011
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2种不同金属材料的力学参数
科 Family 属数 Number of genus 种数 Number of species 占总种数比例 Percentage of total species (%) 属 Genus 种数 Number of species 占总种数比例 Percentage of total species (%) 鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78 小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39 多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39 红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87 小菇属 Mycena 11 5.26 光柄菇属 Pluteus 5 2.39 红菇属 Russula 17 8.13 栓菌属 Trametes 5 2.39
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