spalling

The investigations results show that the coupling of thermal cracking and pore pressure is the main reason to induce the thermal spalling and uncertainty of explosive spalling.

提出了热开裂和孔隙水（汽）压力的耦合作用是产生混凝土爆裂和不确定性的主要原因。

The running load of AFC in a fully mechanized face changes with such factors as, dip angle and thickness of coal seam, length of face, spalling of rib, especially haulage speed and position of shearer at face in coal cutting.

综采面输送机的运行负荷是随着煤层倾角、煤层厚度、工作面长度、煤壁片帮情况、特别是采煤机割煤时的牵引速度以及采煤机在工作面的工作位置的不同而变化。

Because the glass fibers scratched the ball surfaces and accelerated the spalling of the transfer films from the ball surfaces, the bearing experienced failure in the absence of stable lubrication at the contact surfaces between the balls and raceways.

保持架中玻璃纤维划伤轴承球表面并加速转移膜剥落，使轴承不能获得稳定润滑，从而导致轴承在球与套圈滚道接触表面处失效。

experimental research on noise reduction of mini-car experimental investigation on spalling of railway car wheels

微型轿车的降噪实验车轮剥离性能试验研究

In the mean time, rolling contact stress, braking heat energy, thermal crack and mechanical action are key causes of tread spalling.

其中滚动接触剥离和制动剥离是两种主要剥离类型，滚动接触应力、制动热作用、热裂纹和机械作用是引起剥离的主要原因。

The wear mechanism of alumina is brittle fracture as well as grain spalling.

偶件氧化铝的磨损机制主要是脆性断裂及晶粒剥落.

The wear is the oxidizing one and spalling which has two modes: brittle and fatigue.

剥落有脆性剥落和疲劳剥落等两种形式.

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

Standard Test Methods for Spalling Resistance of Porcelain Enameled Aluminum

铝制搪瓷涂层的抗脱落试验方法

The thermal spalling resistance of the cordierite glass ceramic is governed by various factors such as cordierite content, visual porosity rate, sintering schedule and etc.

堇青石微晶玻璃抗热震性能受堇青石相含量、视孔隙率、烧成制度等多方面因素的影响，该陶瓷热震次数最多达到26次。

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.

The results are compared with observation of crack growth and spalling.

存在的是平面的、小的次表面裂纹.最后将计算结果与实际观察的裂纹生长剥落情况对比.

Its main wear mechanisms are plastic smearing, abrasive wear and fatigue spalling.

其磨损机理主要有塑性涂抹 、 磨粒磨损和疲劳剥落.

Cracks leading to spalling were initiated at surface defects and boundaries between nitriding layes and the core.

导致剥落的疲劳裂纹开始于表面缺陷和氮化层与心部交界处。

Moreover cracks were observed on cross section near coating surface, which causes spalling of coating.

但在断面上出现平行于涂层外表面的裂纹.

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.

Analysis of Gear Surface Pitting and Spalling of Fatigue in the Close Gear-driven

闭式齿轮传动齿面疲劳点蚀和剥落的分析

When pumping water makes the underground water drop, the spalling force increases.

当抽水使地下水位下降时，剥落力σb增大。

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。

Spalling cracks resulted from tension failure of concrete in wall joint and adjacent area are primary when the thin wall ( including the wall with visible wide beam) endured out-of-plane moment.

薄墙（包括墙上设有明梁的墙）受梁端施加的平面外弯矩时以墙上节点区与节点附近一定范围的混凝土受拉破坏形成剥离裂缝为主；

Failure Analysis of Spalling Ring Rail Working Surface of Power Shovel

电铲的环轨表面剥离原因分析

The wear mechanism corresponding to the maximum resistance is the micro-cutting + small gouging hole + light spalling.

最佳耐磨性时的磨损机制为显微切削+浅小凿坑+轻微剥落.

The of amount of fine graphite enhances the roll's resistance ot spalling, thermal crack and wearability.

加上有少量细小,不仅提高了轧辊抗剥落性, 抗热裂性和耐磨性能,而且辊身工作层硬度落差很小.

There is a tendency of intercrystalline corrosion and spalling corrosion for Aluminum-Lithium alloys in corresponding medium.

铝锂合金在相应的介质中存在晶间腐蚀和剥蚀倾向,组织结构不同导致合金的腐蚀性能不同.

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。

These versatile laminates provide extremely high impact resistance and absorb total impact energy without spalling.

这些通用板材具有高抗冲击性,能吸收所有冲击能量而不碎裂.

This paper describes a method in which the whole process of the contact fatigue crack propagation can be detected from the crack incubation to the spalling.

本文叙述了一种能检测从裂纹萌生到剥落全过程的接触疲劳裂纹扩展的方法，建立了接触疲劳裂纹扩展曲线&裂纹长度A和循环次数N之间的关系。

It is showed that materials parameters have dramatic effect on spalling.

发现材料参数对于爆裂有很大影响.

Collapse is the most representative accident in highway tunnel construction. METHOD OF CALCULATING CRITICAL SPALLING AND PENETRATION THICKNESS OF CONCRETE SLAB OF BLOCK UNDER ACCIDENT IMPACT

在公路隧道施工过程中，塌方是最为常见的典型事故。事故型撞击混凝土板的临界震塌与贯穿厚度计算方法