| 1. | The infrared drying of high grade coated paper and paperboard 高档涂布纸和纸板的红外线干燥 |
| 2. | Study on process , microstructure and properties of surface graded coating on c pmr15 composite 碳纤维增强聚酰亚胺复合材料表面梯度涂层制备与组织性能研究 |
| 3. | The ha content in the surface layer of the bg / ha graded coating has an important effect on the adhesion of coating Bg ha梯度涂层的结合强度与其ha含量有关, ha含量增高,涂层剪切强度将降低。 |
| 4. | The ha coating is easily broken off from the substrate because of the interface corrosion , caused by the body fluid , and the cycle load . the preparation of the bg / ha bioactive graded coating on the surface of ti6a14v is an effective way to alleviate the heat stress 在钛合金表面制备生物玻璃( bg ) ha梯度涂层,来缓和因热膨胀系数不匹配而造成的涂层内部过高的热应力是解决以上问题的有效途径之一。 |
| 5. | Finally , this paper calculates the residual stresses distribution of multilayered graded coating structures with the theoretical model built in the paper and the elastic model , and it discusses the influences of material ' s plasticity to the thermal stresses of the graded coating 最后,本文分别用在文中建立的理论模型和完全弹性模型对多层梯度涂层结构的残余应力分布进行了计算,讨论了材料的塑性行为对梯度涂层热应力的影响。 |
| 6. | With the focus on the structure and components character of plate metal / ceramics graded coating , this paper extends and improves the thermal elastoplastic analysis model of trilayered materials derived by suresh et al and builds the theoretical model of thermal elastoplastic stresses analysis of plate metal / ceramics graded coating , and this paper also analyzes the thermal elastoplastic stresses and deformation of metal / ceramics graded coating 本文针对平板状金属陶瓷梯度涂层的结构和组成特征,推广和完善了suresh等人的三叠层材料的热弹塑性分析模型,建立了平板状金属陶瓷梯度涂层热弹塑性应力分析的理论模型,对金属陶瓷梯度涂层的热弹塑性应力和热弹塑性变形进行了分析。 |
| 7. | The mechanical property , phase , the adhesion state of the interface , and the microstructure of all kinds of coatings ( bg coating , bg / ha composite coating , bg / ha graded coating ) were analyzed by the routine and modern testing means ( xrd , ir , sem , ed ax , xps and empa etc . ) . the shear strength of the coating had been tested by a new method - the flat bottom cone shear testing 采用常规和现代测试手段( xrd 、 ir 、 sem 、 edax 、 xps和empa等)对所制备的各种涂层( bg涂层、 bg ha复合涂层、 bg ha梯度涂层)的力学性能、物相、界面结合状态以及涂层表面和内部的微观结构等进行分析。 |
| 8. | With this paper ' s study , we can understand the history of thermal elastoplastic deformation and thermal stresses of graded coating more deeply . this paper builds a model which can better describes the thermal elastoplasticity of metal / ceramics graded coating and multilayered materials , and it builds the theoretical basis for the optimized design and thermal elastoplasticity analysis of metal / ceramics graded coating and multilayered materials . the research of this paper has important guidance significance to the engineering application of the graded coating 通过本文的研究,更深入地了解了梯度涂层的热应力和热弹塑性变形历史,建立了可以更好地描述金属陶瓷梯度涂层和叠层材料热弹塑性行为的分析模型,为金属陶瓷梯度涂层和叠层材料的热弹塑性行为分析和优化设计奠定了理论基础,对梯度涂层的工程应用有重要的指导意义。 |
| 9. | That is the premise of the bg / ha electrophoresis codeposition . the laws of the electrophoresis deposition of the bg and ha partic les were found by the study on each of their deposition under the different conditions . the electrophoresis codeposition of the bg and ha particles had been studied and the bg / ha graded coating , which is compact in the bottom layer and porous near the surface layer , had been prepared on the surface of the dental implant after the low temperature heat treatment ( about 740 ) and fast firing ( 50 - 80 / min , heat preservation time was 5 - 8min . ) 以bg微粉和ha微粉作为涂层原料,通过研究bg和ha微粉在非水介质中的分散情况和带电特性,选择冰醋酸为介质,使分散在其中的bg颗粒和ha颗粒表面均带上正电荷,为电泳共沉积提供前提条件;通过对不同条件下bg 、 ha各自电泳沉积的研究,探索出了两者电泳沉积的规律;通过对bg和ha在冰醋酸中电泳共沉积以及后续低温( 740左右)快烧( 50 ? 80 min ,保温5 ? 8min )热处理的研究,在钛合金牙根种植体基体上成功制备出了底层致密而表层多孔的bg ha梯度涂层。 |
| 10. | This paper also researches on thermal elastoplastic analysis model of multilayered graded coating structures on the basis of thermal elastoplastic analysis model of trilayered materials with the focus on the structural character of graded coating . it builds the thermal elastoplastic analysis theory for the graded coating structure that has a single plastic layer or two plastic layers . it gives the analytical formulas of thermal stresses and the thermal elastic - plastic transform temperatures of graded coating that has a single plastic layer or two layers under the thermal loading 针对梯度涂层的结构特征,在建立的三层叠层材料热弹塑性分析模型的基础上,对多层梯度涂层结构的热弹塑性分析模型进行了研究,分别建立了含单个塑性层和两个塑性层的梯度涂层结构的热弹塑性分析理论,给出了在热载荷作用下含单个塑性层和两个塑性层的梯度涂层的热弹性-塑性临界温度和热应力分析公式,利用有限元分析对理论模型进行了验证。 |