2) metallurgical structure
金相组织
1.
Analysis on founding metallurgical structure shows causes of turbine blade foundry and hot treatment defects.
本文分析了水轮机组叶片铸造缺陷的产生原因和防止措施,水轮机组不锈钢叶片铸造裂纹的形成是由于铸造热应力和组织应力过大,超过材料的抗拉强度,通过对铸态下的金相组织分析,找出了水轮机叶片铸造与热处理缺陷产生的原因,并提出了改进措施。
2.
The corresponding metallurgical structure,hardness,bend tests and impact toughness of overlay metal,and porosity,anti-heat shock performance of coating were analyzed.
将电弧超声引入堆焊和热喷涂工艺,进行常规堆焊、等离子喷涂和引入电弧超声技术的对比试验,比较其堆焊层的金相组织、硬度、抗弯性能、冲击韧度和热障涂层的孔隙率、抗热震性能,结果表明:电弧超声的加入能够细化堆焊接头的熔合区组织,降低脆硬倾向,改善堆焊接头的抗弯性能和冲击韧性;由于超声波的空化效应、热效应和机械效应,电弧超声改善了喷涂过程的雾化效果,减小了熔滴的颗粒度和涂层中弥散气孔的尺寸,提高了热障涂层的抗热震性能。
3.
Combined theoretical analysis with experiments,effects of technology parameters and different scanning routes on warp,crack and balling phenomenon were investigated;In addition,the relations between chemistry composition,cooling rate and metallurgical structure,microhardness are analyzed for supplying theory guidance and experimental basis.
针对金属零件在选择性激光熔化成形过程中容易产生翘曲变形、裂纹与球化现象等问题,在理论分析与试验的基础上,探讨了其工艺参数与扫描路径对金属粉末在熔化成形中翘曲变形、裂纹与球化的影响,以及化学成分、熔池冷却速度与制件金相组织、显微硬度的关系,为选择性激光熔化技术的发展提供理论指导与实验依据。
3) microstructure
[英]['maikrəu,strʌktʃə] [美]['maɪkro,strʌktʃɚ]
金相组织
1.
Difference of Local Corrosion Behaviors of Archaeological Cast Irons with Four Different Microstructures in Soil;
4种不同金相组织的仿古铸铁在土壤中局部腐蚀行为的差异
2.
Effect of Purifying Agent on the Microstructure and Mechanical Properties of Nodular Graphite Cast Iron;
铁神一号净化剂对铸态球铁金相组织和力学性能的影响
3.
Influence of TIG dressing on microstructure and fracture toughness of welding joint;
TIG熔修对焊接接头的金相组织及断裂韧性的影响
4) phase component
相组成
1.
The effects of electrolytical parameters on phase component and microstructure of titania films by MAO;
处理液参数对钛合金微弧氧化膜相组成和微结构的影响
2.
SEM and XRD were employed to characterize the growth kinetics,surface morphology and phase component of the coatings fabricated at different treatment frequencies.
利用自制多功能微弧氧化膜的制备系统对TC4钛合金进行表面处理,通过扫描电镜(SEM)和X射线衍射仪(XRD)研究脉冲频率(f)对氧化膜生长特性、表面形貌和相组成的影响。
3.
XRD and SEM were employed to characterize the phase component and surface morphology of the films.
利用XRD和SEM分别对氧化膜的相组成和表面形貌进行了分析。
5) phase constitution
相组成
1.
Study is made of the phase constitution of La2O3-H3BO3-C system during high-temperature sintering in argon atmosphere by means of XRD and TG-DTA.
采用TG-DTA和XRD等分析手段对La2O3-H3BO3-C体系高温烧结过程中的相组成进行了研究。
2.
The effects of positive and negative voltage on phase constitution of ceramic coating on aluminum alloy prepared by micro-arc oxidation were studied by XRD analysis.
通过XRD分析,研究了正向、负向电压对铝合金微弧氧化陶瓷层相组成的影响。
3.
SEM, TEM and X ray diffractometer are used to make analysis ofthe microstructure, micromorphology,hardness, residual stress and phase constitution of TiN coatings deposited by hollow cathode deposition, (HCD) and theireffects on the durability of TiN-coated HSS tools.
分别运用扫描电镜(SEM)、透射电镜(TEM)和X射线衍射仪研究了空心阴极法(HCD)制备的TIN涂层的组织结构、微观形貌、内应力和相组成及其对TiN涂层高速钢刀具耐用度的影响。
6) phase composition
相组成
1.
Influence of substrate thermal conductivity on the phase composition of high velocity oxy-fuel sprayed Al-Cu-Cr quasicrystalline coatings;
基体热导率对超音速火焰喷涂Al-Cu-Cr准晶涂层相组成的影响
2.
Phase composition,mechanical properties and thermal shock resistance of (MgO)_(0.1-x)(CaO)_x(ZrO_2)_(0.9) ceramics;
(MgO)_(0.1-x)(CaO)_x(ZrO_2)_(0.9)陶瓷的相组成、力学与抗热震性能研究
3.
The phase composition and thermal stability of the LaNi_5-34wt%Mg alloy prepared by high energy ball milling;
高能球磨LaNi_5-34%(质量分数)Mg的相组成与热稳定性能
补充资料:煤的岩相组成
煤的岩相组成
petrographic composition of coal
mei de yanxlang zueheng煤的岩相组成(petrogra咖c com娜ition。fcoal)煤中各种煤岩成分和类型,为煤老学研究内容之一。煤的岩相组成可以分为宏观煤若成分和煤岩显微组分。根据上述成分或组分的共生组合,又分为宏观煤岩类型或显徽煤若类型。宏观煤岩成分包含镜煤、亮煤、暗煤和丝炭。宏观煤岩成分在煤层中的自然共生组合称为宏观煤岩类型,按共生组合的相对光泽强度,可以分为光亮煤、半亮煤、半暗煤和暗淡煤。在烟煤中煤岩显微组分一般分为镜质组、稳定组(即壳质组)和情质组。煤岩显微组分的典型共生组合称为显微煤岩类型。它可以分为微镜煤、微壳煤、微惰煤、微亮煤、微暗煤、微镜惰煤和微三合煤。采用煤岩分析可以鉴别煤中的煤岩显微组分或显微煤岩类型。 (钱湛芬)
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条