遥感-岩石力学(Ⅴ)——岩石粘滑过程中红外辐射的影响因素分析

来源 :岩石力学与工程学报 | 被引量 : 29次 | 上传用户:bailian121
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
利用双轴加载实验装置和热红外成像仪器对岩石剪切滑移过程中的红外辐射进行了成像实验。研究表明,摩擦速率、正应力、摩擦面粗糙度、岩石强度与矿物颗粒硬度是影响岩石粘滑过程红外辐射的重要因素(1)摩擦以等速率进行时,岩石摩擦裂隙表面平均红外辐射温度的时间曲线为直线型,局部最高温度的时间曲线为3次曲线型,而岩石表面平均红外辐射温度与所受机械功线性相关。当所受机械功相等时,摩擦速率越高,温升幅度越小;(2)红外辐射强度与正应力线性相关;(3)摩擦面粗糙度对平均红外辐射温度影响不大,但对局部最高辐射温度影响较大;
其他文献
Laser cladding is performed to improve the surface properties of metallic machine components. Extensive work is being conducted to investigate the relationships
Laser surface remelting of medium Ni-Cr infinite chilling cast iron was performed with a continuous wave CO2 laser beam with the power of 7 KW under the argon s
Ordering and atom clustering in aging binary Al-Li alloy has been investigated by computer simulation through calculating the long range order (lro.) parameter
This work reports research concerning the microstructure and sliding wear behaviour of cermet coatings deposited by high velocity oxy-fuel (HVOF) spraying. Two
This paper deals with the kinetics of compound layer growth of steel En40B plasmas nitrided at 520℃ for different time and establishes the corresponding mathem
Degradation phenomena like wear and corrosion, may have their effects accelerated as components operate at high temperature. The aim of this work is to make an
Low cycle fatigue behaviour of a steel 55NiCrMoV7 under four tempered conditions is reported. One special type of total strain controlled isothermal cyclic defo
The development of materials technologies, including surface engineering is one of the main trends in the knowledge-based economy. The direct advantages of the
In order to well design tribosystems of dental CAD-CAM restorations, an understanding of the tribological mechanisms of dental machinable porcelain are essentia
The aging properties of Cu-0.35Cr-0.038Zr-0.055Ce alloy are studied. The results show that can obtain higher electrical conductivity and microhardness after sol