摘要
为提高实木家具用桃花心木的性能,对进口桃花心木进行了140℃、10h的中温热处理,考察了热处理对桃花心木物理力学性能的影响。结果表明:与未处理材相比,热处理材的干缩率、吸湿湿胀率和平衡含水率均下降,尺寸稳定性提高;同时,热处理材的密度、各项力学指标均有所下降,其中抗压类强度下降幅度较大,可能是热处理时间较长所致,建议后续生产时适当减少热处理保持时间。
In order to improve the properties of Swietenia macroplzylla wood for solid wood furniture,the imported Swietenia macroplzylla wood was treated at 140 ℃ for 10 h,the physical and mechanical properties of wood were investigated.The results showed that compared with untreated wood,the shrinkage,moisture absorption swelling and equilibrium moisture content of heat treated wood decreased with the dimensional stability increase.Meanwhile,the density and mechanical properties of heat-treated wood decreased,especially the compressive strength,which might be caused by long-time heat treatment.Therefore,it is recommended that in subsequent production,the holding time of heat treatment should be shortened appropriately.
作者
尹梦婷
孙照斌
何璠
陈凤义
李星
马淑玲
YIN Meng-ting;SUN Zhao-bin;HE Fan;CHEN Feng-yi;LI Xing;MA Shu-ling(College of Forestry,Agricultural University of Hebei,Baoding Hebei 071000,China;Jing an Intercity Railway Co.Ltd.,Beijing 101149,China;Langfang Huari Furniture Co.,Ltd.,Langfang Hebei 065001,China;Zhejian Yuhua Wood Industry Co.,Ltd.,Jiashan Zhejiang 314100,China)
出处
《林业机械与木工设备》
2019年第8期23-28,共6页
Forestry Machinery & Woodworking Equipment
基金
“十三五”国家重点研发计划课题研究项目“珍贵树种木材家具制造技术集成与示范研究(2017YFD0601104)
关键词
桃花心木
热处理
物理力学性能
Swietenia macrophylla wood
heat-treatment
physical and mechanical properties