工程陶瓷因为具有极高的硬度、良好的耐磨耐蚀性和很高的脆性，使其成为难加工材料。
Engineering ceramic materials are difficult to machine because of their outstanding properties, such as high hardness, high wear resistance, high erosion resistance and high brittleness.
这表面有极高的硬度（60局。），耐磨性和耐腐蚀性，低摩擦系数。
This surface has extreme hardness (60 RC. ), excellent wear and corrosion resistance, and low coefficient of friction.
作为合金元素加入钢中可使钢合金化，增加钢的强度、硬度、延展性、韧性和耐磨性等。
As an alloy element, silicon manganese can alloy the steel, strengthen the intensity, hardness, malleability toughness and wearability of the steel.
泵体、泵盖的材质采用铸钢ZG230-450的较多，也可以采用球墨铸铁材质，两种材质对比后者的耐磨性和硬度以及耐温性要因为前者。
Pump cover material with steel ZG230-450 more, can also be used ductile iron, the latter two materials contrast of wear resistance and hardness and heat resistance to be because the former.
优点：耐磨性佳、防滑、有弹性、不易断裂、柔软度较好、伸延性好、收缩稳定、硬度佳、弯曲性好。
Advantages: good abrasion resistance, anti slip, elasticity, not easy to break, softness, good stability, extended contraction, good hardness, good bending.
衬板、搅拌叶片均采用高硬度、高韧性的耐磨合金铸钢，使用寿命长。
Lining board, mixing blades adopts high hardness and high toughness wear-resistant steel and long service life.
然而，在某些应用条件下，钛合金的硬度低，摩擦系数大，耐磨性差。
However, in some application conditions, low hardness, big friction coefficient and poor wear resistance confine its extensive application in engineering.
氢氧化铝比重2.4莫氏硬度3。比磨料加得更多的填充物。有衰退趋势，但耐磨性好。将抛光对偶。
Aluminum Oxide Specific gravity 2.4 Moh hardness 3. More a filler than an abrasive. Tends to fade, but has good wear resistance. Will polish the opposing surface.
在钛合金表面进行激光熔覆，可提高钛合金的表面性能，获得高硬度、耐磨性能好、低摩擦系数的熔覆层。
Laser cladding on titanium alloys can improve the surface properties, obtain the coatings with high hardness, good wear resistance and low friction coefficient.
金属及其合金表面进行陶瓷化可以改善金属基体的硬度低、耐磨耐蚀性差、可加工性差等不足，并且能保证原金属材料的使用性能。
The ceramic coatings on the surface of some metals can improve the shortcomings of low microhardness, poorly corrosion and wear resistance, in the same time maintain the property of the metals.
但铝和铝合金硬度低、不耐磨、易发生晶间腐蚀，这些缺点影响了其应用范围和使用寿命。
While its disadvantages of low hardness, low wear resistance and easy to occur inter crystal corrosion affect its application ranges and life-span.
本文研究了一种高硬度高韧性耐磨埋弧堆焊用金属粉型药芯焊丝。
A type of metal powder-cored wire with high hardness, wear-resistance and high toughness is studied in this paper.
采用氩弧局部强化可提高环槽的硬度和高温耐磨性。
Application of argon arc local strengthen can increase hardness and high-temperature wear resistance of the ring groove.
根据实际情况，重新设计了具有较高强度且工作面具有高硬度和耐磨性的导轨。
The lead rail was redesigned to make it more high strength, and the rail working face higher rigidity and higher abrasion performance according to the actual situations.
结果表明：硬质合金-45钢双金属复合耐磨材料结合层硬度过渡均匀，冲击韧性是普通硬质合金的5—6倍。
The results show that the hardness of combination area of cemented carbide-steel 45 composite is 5—6 times beyond that of the general cemented carbide.
利用本工艺电镀能得到性能优良的钯镀层，如外观白亮、反光率高、接触电阻小、硬度高、耐磨、耐蚀等优点。
It has good properties of palladium coating, such as bright surface, high glisten rate, low contact resistance, high rigidity, antifriction, anticorrosion and so on.
结果表明，玻璃纤维的加入可提高橡胶的耐磨性，并且橡胶的耐磨性与强度和硬度具有线性关系。
The results showed that GF can provide wearproof of the rubber composite, and relation wearproof and tensile strength, hardness of the rubber composite was linear.
磨辊的硬度、耐磨性与切削加工性能，存在难以兼顾的矛盾。
For the rolls of a roller mill there are contradictions among their hardness, wear resistance and machining properties to which considerations are hard to be given comprehensively.
结果表明，堆焊工艺中的能量输入、堆焊层数以及冷却方式对堆焊层的硬度、耐磨性及堆焊层结合性能有明显的影响。
The results show that energy input, surfacing layers′ numbers and types of cooling in the arc surfacing have a significant influence on overlays′ hardness, wearability and binding abilities.
切削刀具最重要的性能是在高温下能保持的硬度、耐磨损和冲击韧性。
The most important properties of cutting tools are hardness at high temperature, wear resistance, and impact strength.
考察了复合材料的组织形貌，检测了复合材料的硬度和耐磨性，分析了复合材料的断裂模式。
The structure morphology the hardness and wear resistance of composite have been investigated, and fracture model of the composites has been analyzed.
结果表明，表面熔化处理后的硬化层的硬度梯度平缓，耐磨性高。
The results showed that the hardening layer has better hardness gradient and high wear resistance.
结果表明，激光硬化处理的表面能够有效地改善材料表面硬度和耐磨性。
The results show, surface treated by laser hardening can improve the surface hardness and wear resistance.
采用LD钢制造大型滚子冷镦模具的模芯，具有较理想的硬度、强度、耐磨性和冲击韧性。
Core of large roller cold upsetting die made of ld steel has more ideal hardness, strength, anti wear capacity and impact toughness.
认为激光硬化处理能够有效地改善材料的表面硬度和耐磨性。
The laser hardening material can effectively improve the surface hardness and wear resistance.
涂层不但具有较好的硬度、耐磨性，还具有较好的抗高温氧化性能。
This coating possesses not only better hardness and wear-resistance, but also better oxidation resistance at high temperature.
实验结果表明，复合镀层具有较高的硬度和耐磨性。
The experimental results show that, the composite coatings have higher hardness and wear resistance.
耐磨性是材料强度（硬度）与塑性的综合体现。
The wear resistant is comprehensive embodiment of strength (hardness) and plasticity of materials.
耐磨性是材料强度（硬度）与塑性的综合体现。
The wear resistant is comprehensive embodiment of strength (hardness) and plasticity of materials.
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