磨损

It shows that under the same conditions, the wear loss of the sample deposited AlTiN was 1.2% of the substrate, and the friction coefficient was 0.007. A significant approach to the mechanism of the properties is discussed with the aid of SEM, EDS and XRD.

结果表明，相同条件下，经沉积AlTiN涂层的试样磨损量仅为基材的1.2%，摩擦系数仅0.007，表现出良好的杭磨损特性；并用SEM、EDS、XRD等，对涂层的生物摩擦磨损性能进行了分析。

Surface morphology, microstructure and wear morphology of the coatings were investigated using model KYKY-2800 scanning electron microscope modeled. Phases of the coatings were analyzed using model D/max-RA X-ray diffractometer. Microhardness of the coatings was tested using model MH-6 hardness-testing device. The wear-resisting property of coatings was compared with 65Mn steel treated by the quenching and backfiring technology using the home-made abrasion machine. The feasibility was analyzed for reactive electric-spark build-up welding TiN cermet coating to be used for gear shaft restoration.

采用KYKY-2800型扫描电镜观察了堆焊层表面形貌、显微组织和磨损形貌，采用D/max-RA型X 射线衍射仪分析了堆焊层物相，采用MH-6型显微硬度计测定了堆焊层显微硬度，采用自制磨损实验机对比了堆焊层与淬火回火65 Mn钢的磨损性能，分析了电火花堆焊TiN金属陶瓷层用于轴颈修复的可行性。

The effects of heat treatment on dry friction and tribological properties under water lubricating are also studied elementarily.

本文还初步探讨了热处理对复合材料干摩擦磨损特性的影响及复合材料在水润滑时的摩擦磨损特性及磨损机理。

The results of the investigation showed that the best entrance angle of B〓C, B〓C/ C and Al〓O〓/ C ceramic nozzles is 11°, 14°and 16°respectively. Erosion wear model has been put forward. The B〓C and B〓C/ C nozzles exhibited a stress fatigue induced removal process under the condition of umber emery erodent impacting, and a brittle fracture induced removal process under the condition of white emery and SiC erodent impacting.

建立了不同磨损机理下的冲蚀磨损模型，提出了喷砂嘴的磨损属于多冲蚀机理并存的复合冲蚀机制。B〓C和B〓C/C陶瓷喷砂嘴在棕刚玉磨料的冲蚀下，主要表现为应力疲劳断裂冲蚀，在白刚玉和SiC磨料的冲蚀下，主要表现为脆性断裂冲蚀。

These four aspects are: the foreworn and frature of the wheel rim , tread foreworn bedded d ecrustation, regional crush and subside and early brittle fracture of the wheel rim .

为了有效地提高行走车轮的工作寿命，使其接近或达到设计周期，笔者从车轮损坏的形式、部位即轮缘磨损断裂、踏面磨损层状脱皮和局部压碎凹陷、轮缘早期脆性断裂四个方面进行了分析，找出了之所以产生磨损和断裂的原因，并提出了延长车轮工作寿命的对策。

Wear model and characteristics of the second cutting deformation zone,that is,between the rake face of cutter and chips were investigated by carrying out diamond PCD cutter ultraprecision machining test of SiC noncontinuous reinforced aluminum composites,and measuring analysis with atom force microscope and scan electronic microscope.

通过金刚石PCD刀具对非连续S iC增强铝基复合材料的超精密车削加工试验，考察了刀具第二切削变形区的摩擦磨损性能，并提出了相应的模型；采用爆炸式快速落刀装置制备出切屑根并分析了积屑瘤的影响因素；采用原子力显微镜对PCD刀具的刃口磨损形貌进行观察，并分析其磨损机理。

The effect of additive concentration on tribological characteristics of liquid paraffine and water was evaluated on Optimol SRV friction and wear tester. The effect of anions and cations on the tribological properties of additives in water was also investigated.

(1)考察了在干摩擦和液体石蜡润滑下铈离子注入剂量对GCr15轴承钢摩擦磨损性能的影响，以及大气中水分对注入试样摩擦磨损性能的影响，采用XPS和EPMA等表面分析仪器对磨损表面进行了分析。

Nanometer and micrometer ZrO2 particle-filled poly (phthalazine ether sulfone ketone) composites with various filler volume fractions were prepared by heating compression molding. The hardness and flexural strength were tested.

采用热压成型的方法制备了纳米、微米ZrO2填充聚醚砜酮复合材料；考察了复合材料的显微硬度和弯曲强度；并研究了干摩擦条件下纳米、微米ZrO2颗粒对复合材料摩擦磨损性能的影响；利用扫描电子显微镜观察分析ZrO2/PPESK复合材料磨损表面形貌及磨损机理。

Figure 7-13 Creep, wear, and difficulty in roentgenographically determining cup wear. A, Roentgenographic findings in 66-year-old patient suggestie of cup wear compared with roentgenograms taken 9 years earlier .

图7－13。蠕变、磨损以及X线确定臼杯磨损的难点，B：66岁病人，与9年前所拍X线片比较提示臼磨损。

The results show that there is a kind of oxide wear at medium temperature and the oxide wear is important to the semimetallic friction material.

结果表明，中温下半金属刹车材料的氧化对摩擦磨损性能起着较为重要的作用，中温下的氧化磨损为其主要的磨损机理。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。