1、

The study had been proceeded by means of wear test, hardness test, XRD phase testing, metallographic analysis and scanning electron microscopy ( SEM) analysis and other methods.

采用磨损性能测试、硬度测试、XRD物相检测、金相分析及扫描电镜(SEM)等方法进行研究分析。

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2、

The wear resistance, hardness, and other mechanical properties of the composites with nickel coated SiC were better than those of the composites with bare SiC particles.

而且加入镀镍SiC的复合材料的耐磨性、硬度和拉伸强度等力学性能比加入相同含量的未镀SiC的材料的性能要好;

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3、

The wear mechanism of original WC-Ni cemented carbide during the wear process is abrasive wear with the main characteristics of plastic deformation of Ni binder phase and fall-out of WC grains, and wear resistance depends on the hardness of cemented carbide.

原始WC-Ni硬质合金的磨损以Ni粘结相的塑性变形和WC晶粒脱落为主要特征的磨粒磨损,耐磨性依赖于硬质合金的硬度。

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4、

Besides, the experimental result shows that it is possible to machine the middle hardness surface gears on an ordinary bobbing machine under the rational cutting conditions.

测试结果表明:在合理的削切条件下,在普通滚齿机上实体滚切中硬齿面齿轮是完全可能的。

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5、

In the long term of production of the low alloy heat-resistant bolting steel, the out-of-tolerance of hardness is the one of the primary causes that leads to the rework of heat treatment.

在长期的生产中,低合金耐热螺栓钢硬度超差是造成该材料热处理返修的主要原因之一。

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6、

When the ion bombardment energy was increased from 400 eV to 800 eV, the film structure was changed remarkably and its fracture toughness and hardness were improved further.

离子辅助轰击能量从400eV增加到800eV时薄膜的结构发生了显著变化,断裂韧度和硬度均大幅度提高。

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7、

The added copper had no obvious effects on the film structure and hardness at same bombardment energy of 400 eV. But added copper was beneficial to improvement of the film fracture toughness.

结果表明:在相同的轰击能量(400eV)下,铜含量对薄膜结构和硬度的影响不明显,但是铜的加入有利于提高薄膜的断裂韧度;

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8、

Cr-Cu-N films were deposited using low energy ion beam assisted magnetron sputtering ( IBAMS). The effects of copper and bombardment energy on structure, hardness and fracture toughness of the films were studied.

应用低能离子束辅助磁控溅射(IBAMS)沉积铬-铜-氮薄膜,研究了铜含量和轰击能量对薄膜结构、硬度和断裂韧度的影响。

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9、

The hardness distributing near bonding pad and strength of interface have been studied. The interface structure and bonding mechanism of electromagnetic hemicontinuous double pouring casting roll have been analyzed.

研究了结合界面附近的硬度分布和界面的结合强度,并分析了电磁半连续复合铸造轧辊的界面结构和结合机理。

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10、

Hardness was decreased after maximum by high temperature heating. bony fish: a fish having a bony rather than cartilaginous skeleton; a teleost.

高温加热硬度达最大硬度以后保温硬度降低。硬骨鱼:一种长着硬骨架的多骨鱼;硬骨鱼。

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11、

Boron carbide coatings were deposited via vacuum plasma spraying, and then their microstructure, phase composition, hardness and bonding strength were examined.

本文采用真空等离子喷涂方法制备碳化硼涂层,对涂层的结构、组成、硬度及结合强度进行了观察与测定。

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12、

Phase Chart Analysis of "Red Brittleness" Phenomenon in the Industrial Pure Iron Forging Because of over-heated, hardness of part blade on the cutter is inadequate.

工业纯铁锻造过程中红脆现象的相图分析原有刀片刃口局部材料的硬度不够,材质脆性过大,有过热现象。

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13、

A series of analysis were made on the cracked area, including macro-and micro-analysis, chemical, hardness, microstructure test and hydrogen brittleness removing test.

对该失效件进行了断口宏观分析以及扫描电镜微观分析、化学成分分析、硬度检测、金相组织观察、并进行了氢脆试验验证。

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14、

As the typically brittle materials, optical glass has been used in many hi-tech fields widely, such as aerospace 、 microelectronics 、 optical industry and so on. But high hardness and low fracture toughness lead to its poor machinability.

光学玻璃作为典型的脆性材料广泛地用于航空航天、微电子、光学工业等诸多高新技术领域;但其因硬度高、断裂韧性低而导致可加工性较差。

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15、

The failed keyway broach was analysed by chemical analysis, hardness testing and metallograph-ic examination.

对断裂单键拉刀进行了化学成分分析、硬度测定和金相检验。

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16、

All metal cutting tools begin to lose hardness when heated to sufficiently high temperatures.

达到一定高温高时,所有的金属切削刀具便开始软化.

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17、

The research on the karst collapse distribution and the hydrogeochemical environmental characteristics of Guilin city shows that SIc value is closely related to the collapse distribution, secondly pco2, but the total dissolved solid, the hardness and SID value are weekly related to it.

对桂林市岩溶塌陷分布及其水文地球化学环境特征研究表明,塌陷分布与SIc值的关系较密切,与Pco2次之,而与矿化度、硬度、SID值的关系不明显。

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18、

On the Inconsistencies of Wheat Straw Pulp Hardness and Its Effect on the Prediction of cooking End Point in a Rotary Digester

麦草蒸煮过程中球内硬度值的不一致及其对过程终点预报控制可行性的影响

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19、

Study on a new type of utmost carbonate hardness measuring instrument and its evaluation method

一种新型极限碳酸盐硬度测定仪及评价方法研究

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20、

This paper suggests that although relatively more complicated, this technique can remove the carbonate hardness, and SiO2, etc., and reduce the suspended substances in water, BOD5, and the turbidity of phosphor, etc.

认为:该工艺虽较复杂,但可有效去除碳酸盐硬度、SiO2等,降低水中的悬浮物、BOD5、磷浊度等。

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