涂层的硬度分布较均匀,且高于纯铜的硬度。
The microhardness of the coatings is relatively uniformly distributed and it is higher than pure copper.
金相和硬度分析未发现明显异常组织和硬度分布。
No abnormity was found in the metallographical analysis and hardness test.
对熔覆层显微组织形貌、硬度分布进行了分析研究。
Study on microstructure and performance of Fe-base alloy coating produced by plasma cladding;
建立了描述淬火钢圆形截面硬度分布曲线——U曲线的解析函数表达式。
An analytical function for describing hardness distribution in round section of quenched steel, known as U-curve, has been established.
对渗铝层的显微组织、内氧化层的硬度分布及显微组织进行了初步分析。
The microstructure of aluminized layer, hardness distribution and microstructure of internal oxidation layer were investigated.
试样的流线、网格变化及硬度分布所显示的变形区范围和理论分析一致。
Displaed strain regions by the flow lines, network changes and hardness distributions show a good agreement with theoretical analysis.
在实验方面从金相组织、硬度分布及硬化层、等几个方面进行了对比分析。
In the experiments the microstructure, hardness and hardened layer, and several other areas were compared.
此外,两次硬度试验表明,自然时效对两种状态合金的硬度分布存在影响。
In addition, two hardness tests showed that the natural aging has great influence on the hardness distribution in the two alloys.
本文就其铸造质量、硬度分布、组织构成、磨损机理等作了分析并得出相应结论。
The paper analyses the foundry quality, hardness distribution, structure, abrasion mechanism and draws corresponding conclusion.
焊接接头的硬度分布沿焊缝中心基本对称,焊核区硬度较高,热影响区硬度最低。
The microhardness distribution of the welded joint is along the welding line. The microhardness is higher in nugget zone, and lowest in HAZ.
由于爆炸硬化和爆炸热效应的共同作用,界面附近钛板和铝板硬度分布规律不同。
The mesophase did not appear. As the hardening effect and the thermal effect, hardness distribution near the interface of titanium and aluminum are different.
对不同焊接热输入下的6063铝合金焊接接头进行人工时效,分析其硬度分布和强度的变化。
Effects of artificial ageing on the hardness distributions and strength were analyzed for 6063 aluminum alloy joints welded by varying heat inputs.
研究齿轮齿面激光熔覆粉末合金的工艺、显微硬度分布、熔覆层及过渡层等的金相组织及性能。
This paper deals with the technique of laser cladding on contact surface of gears, micro hardness distribution, microstructure and properties of cladding and transition layer.
通过对20钢渗碳层硬度分布的模拟结果表明,此方法是可行的,且具有较强的实用性和可操作性。
The simulating results fits the measured hardness about the 20 steel carburized and quenching. It indicates that this method is feasible, and has more practical and operating manual.
研究了工业纯铁、20钢、45钢辉光离子渗铝层生长规律,测定了渗层铝浓度分布和显微硬度分布。
The growing principle of aluminizing layer is given for in-got iron, steel 20 and 45.
结果表明,堆焊金属的显微硬度分布取决于其显微组织,焊接线能量的大小对显微组织的形成有影响。
The results show that the micro-hardness of the deposited layers depends on the microstructure which …
基于对实际点焊接头硬度分布的分析,建立了包括熔核、热影响区和母材的单点点焊搭接接头计算模型。
Based on the hardness analyses of actual spot welded joints, a computational model that consists of nugget, HAZ and base metal is established for the single point spot welded lap joints.
等离子表面淬火硬化层的硬度分布,在某一区域内无明显的硬度梯度,这与常规淬火方法的结果不太一样。
The hardness distribution without obviously declining gradient in one range of the hardened layer produced by plasma quenching is rather different from that by conventional quenching.
不同真空度下消失模铸型硬度的测试结果表明,消失模铸型的硬度高于普通湿型砂铸型,并且硬度分布更均匀。
The mold hardness under different vacuum degree was tested. The results showed that the mold hardness of EPC process was higher than that of green sand mold and was more uniformly distributed.
根据端淬实验数据和实验曲线导数变化规律,用线性试探法建立了端淬曲线微分方程,然后解得硬度分布函数。
A differential equation of the Jominy curves has been constructed according to the Jominy experimental data and the change of derivative of the Jominy curve.
与一般涂层相比,梯度涂层显示出更为优异的弯曲强度、结合强度、抗热冲击性、显微硬度分布及缓和热应力等性能。
As compared to general coating, gradient coating has even more excellent performances in bending strength, bonding strength, thermal shock resistance, microhardness and thermal stress relaxation.
锻坯硬度分布测试表明随着近等温锻造变形量的增大,均匀变形区域的硬度变化基本趋于均匀一致,且硬度平均值也在不断增高;
The hardness testing shows that hardness of uniform zone is tending to be uniformity and the average hardness is continuous to increase.
靠近压力加工面部位,硬度较沉积坯提高了45%,拉伸强度较沉积坯提高了40%。双向楔压后孔洞闭合、密度硬度分布都比较均匀。
Compared with those of as-sprayed ring, hardness and tension strength of area near processing face are increased by 45% and 40% respectively.
由回火温度与硬度变化曲线证实,残余应力重新分布是与残余奥氏体转变相关联。
According to the tempering temperature and hardness curve, the redistribution of residual stress is associated with the transformation of residual austenite.
据介绍,长城地下分布着各类花岗岩,硬度是普通岩石的一倍。
According to reports, the distribution of various types of underground Great Wall of granite, rock hardness is twice as common.
在最佳的磁场参数作用下,无论是直流磁场还是交流磁场,堆焊层中硬质相细小且成“六角形”分布,此时堆焊层金属的硬度和磨损量均达到最佳状态。
Regardless of DC or AC magnetic field, the hard phase in weld metal overlay is fine and distributed "the hexagon" in optimum parameters, then hardness and wear extent in weld metal overlay are higher.
本文还提出了由碳化物数量、分布、磨损面硬度等因素构成的抗磨参数与相对耐磨性的线性关系。
Authors suggest the linear relationship between the anti-abrasion parameters consisting of the amount and distribution of carbides, abrasive surface hardness and the abrasion resistance in this paper.
本文还提出了由碳化物数量、分布、磨损面硬度等因素构成的抗磨参数与相对耐磨性的线性关系。
Authors suggest the linear relationship between the anti-abrasion parameters consisting of the amount and distribution of carbides, abrasive surface hardness and the abrasion resistance in this paper.
应用推荐