Nails Nails are made of a brittle material called keratin.
指甲指甲由称为角质的硬脆物质组成。
Applicable to various brittle material crushing of minerals.
适用于破碎各种脆性材料的矿物。
The mechanism of ductile machining for brittle material is described.
论述了脆性材料延性加工机理。
Application: suitable for brittle material, potato chips, crispy rice, apple, jelly, etc.
适用范围：賨适合于易碎物料：薯片，锅巴，苹果片，果冻等。
This paper introduces a new processing think of cutting hard brittle material in a plastic state.
提出了在塑性状态下切削非金属硬脆材料的加工思路。
The sleeve is especially suitable for high-temperature seal and connection of the brittle material pipe fitting.
该卡套尤其适用于脆性材料管件的高温密封和连接。
Some examples show that this method can be regarded as an effective method of analyzing brittle material breakage.
已有算例表明，此方法可以作为脆性材料破坏分析的一种有效方法。
Concrete is a typical heterogeneous quasi-brittle material used in engineering, and its fracture process is very complex.
混凝土是一种典型的非均匀准脆性材料，其断裂过程是非常复杂的。
For brittle material testing, the governing equation of input waveform for attaining constant strain-rate loading is given.
给出了测试脆性材料时实现恒应变率加载的加载条件。
Today ultrasonic machining is a good method to machine hard and brittle material, such as glass, diamond, engineering ceramics.
超声加工是目前加工玻璃、钻石、工程陶瓷等硬度高、脆性大材料的一种比较好的方法。
The roller is part of brittle material, avoid to use the way in whack, bump, impact and other easily to make mechanical stress.
辊棒属脆性材料，清理时应避免敲击、撞击、冲击以及其它易产生机械性应力的方法。
Metal bonded diamond wheel is widely used in the field of precision and super precision grinding with hard and brittle material.
金属结合剂金刚石砂轮广泛应用于硬脆材料的精密和超精密磨削加工。
Many machining methods are used in the production of hard-brittle material. However, all have both advantages and disadvantages.
硬脆材料常用的加工方法很多，但现有加工方法各有利弊。
As oil well cement stone is a brittle material, its dynamic mechanical property differs remarkably from that of a static condition.
油井水泥石属于脆性材料，其在动态下的力学性能与静态下的情况相比有显著的差异。
The test results show that the mechanism of ductile-mode material removal of the brittle material is attributed to a combination of.
试验结果表明，脆性材料的延性切削模式的实现是由于云母晶体对裂纹走向的引导和玻璃相的强烈的剪切变形能力的共同作用。
The metallic bond diamond wheel can process hard brittle material of complex surface, it can be high efficiency, precision and large-tonnage scale.
使用金属结合剂金刚石成形砂轮可实现复杂型面硬脆材料的精密、高效、量产化加工。
The stable growth of cracks in a brittle material with three mutually perpendicular families of microcracks under proportional tensile loads was studied.
提出了含三相正交分布等尺寸微裂纹的准脆性材料稳定扩展的细观损伤演化模型。
A damaged elasto-brittle material constitutive relation in incremental form which consideres anisotropy of both material and damage is presented in this paper.
本文提出了一种增量形式的受损弹脆性材料的本构关系，此关系考虑了材料与损伤两者的各向异性。
Products for non-brittle material, toughness, high strength, good flatness, size regular, machining performance and the construction can be cut to facilitate bending.
产品为非脆性材质，韧性好，耐压强度高、平整度好、尺寸规整、机械加工性能优良且施工方便可任意剪切弯曲。
Fracture mechanism, initiation and propagation of cracks, and the control method of cracks in rock like brittle material under dynamic load are described in this paper.
本文主要论述了动荷载作用下岩石等脆性材料的断裂破坏机理、裂纹形成与扩展以及裂纹的止裂与控制等内容。
The densification molding pressure of hard brittle material is higher than that of plastic material because of the higher compression strength of hard brittle material.
由于瘠性料的抗压强度高于塑性料，从而导致瘠性料的成型压力高于塑性料。
An experimental procedure and accompanying method for analyzing recorded data for deriving dynamic tensile strength and elastic modulus of brittle material is presented.
提出了获取脆性材料动态拉伸强度及弹性模量的实验步骤及相关记录数据的分析方法。
This grinding head can be simply mounted on the general purpose machine tools, and is suitable for machining the hard brittle material with equipped some control system.
该磨头能简单的装配在普通机床上，配合一定的控制设备，即可进行硬脆材料的优良表面加工。
The impact tests and the finite element method are used to investigate the fragmentation of brittle material in a composite structure consisting of PMMA and glass plates.
本文以冲击实验和有限元分析研究了韧-脆复合材料结构中脆性材料的破碎问题。
The size effect is the basic characteristic of the brittle material and the quasi-brittle material, which performs significantly during the fracture failure of the structure.
尺寸效应是脆性和准脆性材料的一种基本特性，其在结构断裂破坏中表现得尤为明显。
As brittle material, the cutting process is complexity, it is in general discontinuous and it is caused by the growth and propagation of the microcracks in Indus trial ceramics.
作为典型的高硬度脆性材料，其切削复杂，切削过程是一个不连续的过程，而内部微裂纹扩展是导致断裂和产生切屑原因。
As a result, laser bending in the micro-manufacturing of brittle material can not only save costs, but shorten the manufacturing cycle and achieve green manufacturing (no pollution).
因此，采用激光对微制造器件中脆性材料的弯曲加工不仅可以节省成本，还可以缩短制造周期实现绿色制造（无环境污染）。
It is a brittle material and heterogeneous discontinuous body. The process of its failure is one of initiation of inner cracks of the rock followed by their propagation, connection and link up.
它是一种非均质不连续体的脆性材料，其破坏过程是在水力或机械作用下，岩石内部裂纹的产生、扩展、合并和贯通的过程。
Then, on the basis of the expression for notch strength of brittle material and the fundamental principle of probability theory, correlations between the statistical characteristic parameters o.
进而根据脆性材料切口强度表达式和概率论一般原理，求得了切口强度和弯曲强度统计特征参量间的相互关系表达式，并进行了验证。
The result proves that reclaimed concrete perforated brick is a brittle material that will not accrue to crack under normal service modes so it can be a new wall material substitute for clay brick.
结果表明，再生混凝土多孔砖是脆性材料，在正常的使用状态下，不会出现裂缝，可以成为替代黏土砖的一种新型墙体材料。
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