Influence of steel fiber volume fraction and strain rate on spalling behavior of ultra-high performance cementitious composites 钢纤维掺量和应变率对超高性能水泥基复合材料层裂的影响
A railway frog made of high manganese steel failed before an expected life due to spalling of the nose rail. 高锰钢铁路辙叉在使用过程中因心轨表面龟裂剥落而提前失效,对其进行了扫描电镜观察和能谱仪测试分析。
Through a theoretical analysis of the spalling characteristics of rocks under the impact loading of the half-sine wave incident, the location and thickness of rock spalling fracture are obtained. 理论分析半正弦冲击入射加载波形下的层裂破坏特性,推导产生层裂破坏的位置和层裂厚度。
Used in ceramic tile, Mosaic facing juncture, because not bibulous, winter won't frozen, expansion, can prevent ceramic tile, Mosaic of spalling. 用于瓷砖、马赛克饰面接缝上,因不吸水,冬天不会结冰、产生膨胀,可防止瓷砖、马赛克的剥落。
The result indicates that the influence of spalling is unremarkable on collapse resistance of the whole structure when fire area is small. 结果表明,当受火区域面积不大时,混凝土剥落对整体结构体系的抗连续倒塌能力影响有限。
Analysis on Spalling of Finishing Mill's Work Roll and Improvement 热轧厂精轧工作辊剥落事故分析及改进措施
Method of calculating critical spalling and penetration thickness of concrete slab of block under accident impact 事故型撞击混凝土板的临界震塌与贯穿厚度计算方法
Study on Technology of Soft Coal Seam Rib Spalling Preventing by Water Infusion with Shallow Holes 松软煤层煤壁浅孔注水防片帮技术研究
The multi-layer explosive spalling damages depend strongly on the high humidity of the lining concrete, the high temperature and. 混凝土的湿度大、火灾温度高且持续时间长是发生多层爆裂损伤的重要条件。
Numerical Simulation of Spalling Damage Based on the Management Method with Variable Array 基于可变数组管理方法的震塌破坏数值仿真
Adopting of failure criteria is one of major factors that restrict the mechanism research of dynamic spalling. 材料破坏准则的采用是制约动态层裂机制研究的主要因素之一。
Spalling was a major form of contact fatigue failures in nitriding steel. 氮化钢的主要接触疲劳破坏形式是剥落。
To reveal the mechanism of karst collapse induced by groundwater pumping, the authors analyse the expanding condition of soil cavity by analytical method and put forward the concept of spalling force. 为研究人工抽水引起的岩溶地面塌陷的机理,用解析法分析了土洞扩展的条件,提出了剥落力的概念,认为土洞的扩展条件是剥落力大于土体抗拉强度。
Study on Spalling Response of Materials under Complicated-Stress States 复杂应力状态对材料层裂特性影响的探索性研究
Proper maintenance can prevent spalling. 正确的维护保养可预防剥落。
The coating shall be even, fast, clear and free of defects such as air pore, rill mark, chap and spalling. 涂复应均匀、牢固、清晰,不应有气泡、流痕、龟裂和剥落等缺陷。
Experimental study of factors affecting the spalling of self-compacting concrete under high temperatures 自密实混凝土高温爆裂性能影响因素的试验研究
Spalling Reason Analysis of Inner-ring Raceway of 6209 Bearing 6209轴承内套滚道剥落原因分析
Testing method for spalling of refractory brick and plastic refractories 耐火砖和塑料耐火材料抗剥落性试验方法
Tempering treatment resulted in formation of tempered martensite and the spalling resistance under repeated strong impact abrasion working conditions was largely improved. 在反复强力冲击工况条件下,回火得到回火马氏体,抗冲击剥落能力大为增加。
The research of improving the spalling resistance of the high strength concrete in the condition of high temperature; 本文研究了含湿量和纤维对高性能混凝土高温爆裂和高温后残余力学性能的影响。
Research and analysis on spalling mechanism of concrete heat resistance in a limekiln 某石灰窑耐热混凝土胀裂机理研究分析
The surrounding rock of the upper face end is the key part strengthened the control of the rib spalling. 上端头的围岩片帮控制是应重点加强的关键部位;
Performance of cold mill work rolls is dependent to a great extent on spalling resistance, so that both of roll manufacturers and users show great interest in this failure mode. 冷轧工作辊的性能取决于辊子抗剥落的范围,所以制造商和用户都非常关注这种失效方式。
Spall of cylindrical copper by converging sliding detonation Study on Spalling Response of Materials under Complicated-Stress States 内爆和柱壳条件下无氧铜的层裂特性复杂应力状态对材料层裂特性影响的探索性研究
Prevention rib spalling mechanics of stepped cutting technology was analyzed by numerical simulation. 用数值模拟分析了台阶式割煤的防片帮机理。
According to one-dimensional elastic-brittle plane wave theory and the cumulating damage failure criteria, spalling process under explosion or impact loading is investigated. 采用一维弹脆性平面波理论,运用累积损伤破坏准则对因爆炸或冲击引起的层裂问题进行分析。
Prevention and control technology for spalling and failing of high inclined broken roof in fully mechanized mining face; 对碎裂顶板复采工作面布置、设备选型和回采工艺等进行了设计。
Applications of SPH method to simulate spalling damage SPH方法在层裂损伤模拟中的应用
It has been shown that fatigue spalling is the main wear mechanism, abrasive wear also exist. 结果表明,渗层磨损机制以疲劳剥落为主,兼有磨粒磨损。