喷丸
- Shot peening;shot blasting
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研究结果表明:(1)纯镁和镁合金(ZM-5)试样表面进行喷丸处理,试样表层的晶粒得到了细化,在原有的晶粒内部出现了大量的新生亚晶界;
The results show that : ( 1 ) The grain near the surface of the specimen was greatly refined after shot blasting treatment , and a large number of new sub-boundaries emerged inside or between the former grains ;
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喷丸处理对镁及镁合金腐蚀磨损性能的影响
Effect of Shot Blasting on Corrosion and Corrosive Wear Property of Magnesium and Its Alloy
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铸态SiCw/Al复合材料的表面喷丸强化
Shot Peening Strengthening of the Cast SiC_w / Al Composite
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喷丸强化对SiC颗粒增强铝基复合材料疲劳性能的影响
Effect of Shot Peening on Fatigue Property of SiC_p / Al Composite
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本文采用增压喷丸设备在Al合金表面构筑多尺度复合结构。
In this research the shot penning device was chosen to build the multi-scale structure on the aluminum alloy surface .
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喷丸处理对TiAl合金拉伸性能的影响
Effect of Shot Peening on Tensile Properties of TiAl Alloys
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用XPS分析喷丸处理后800合金在强碱溶液中的腐蚀产物
The characterization of film on alloy 800 after shot peening in aqueous alkali by using XPS
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喷丸钢丝的磷化SOHO的无线覆盖
Parkerizing Process of Shot blasted Steel Wire Wireless Covering in SOHO
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300M钢喷丸强化工艺中打磨问题的研究
Study on the Influence of Polishing after Shot Peening on 300M Steel
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将超声喷丸过程简化为单个丸粒撞击试件的模型,应用ANASYS/LS-DYNA软件对过程进行有限元仿真。
The ultrasonic shot-peening process is simplified as a single shot projected on a sample , and is simulated based on ANASYS / LS-DYNA software .
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用X射线应力测量仪分别测定了坦克履带销经滚压、喷丸和滚压加喷丸三种表面强化后的表面残余应力。
The surface residual stresses of tank track pins after being strengthened by means of rolling , shot peening or rolling plus shot peening were measured by X-ray stress measurer , respectively .
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喷丸处理对TiB2/Al复合材料表面基体力学性能的影响
Influence of shot blasting on matrix mechanical properties of the surface on TiB_2 / Al composite
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本文首先对喷丸强化对300M钢残余应力及疲劳性能的影响进行了研究。
First , the influence of shot peening on residual stress and fatigue performance on 300M steel was studied .
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喷丸处理Zr-4合金氧化膜组织和氧化动力学研究
Study on Organization and Oxidation Kinetics of Zr-4 Alloy Oxide Film Treated by Shot Peening
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加工硬化后试样的X衍射分析显示,在喷丸处理条件下,高锰钢的加工硬化机制为位错理论和孪晶硬化理论,没有诱发马氏体相变。
The analysis of X diffraction of the samples after hardening showed that under shot peening conditions , the strengthening mechanism of high manganese steel had deformation twinning density and dislocation density but no Martensite strengthening .
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结果表明,喷丸和离子注入对材料疲劳S-N曲线的影响与实验温度有关。
Experimental results indicated that the effect of shot-peening and ion implantation on the S-N curves is related to temperature .
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通过X-射线衍射仪(XRD)、光学显微镜、扫描电镜(SEM)、透射电镜(TEM)、显微硬度计等对喷丸后样品表面的微观组织、结构和性能进行了研究。
X-ray diffraction ( XRD ), optical microscope , scanning , electronic microscope ( SEM ), transmission electronic microscope ( TEM ), microhardness testing machine were used to characterize the surface layer microstructure and performance of treated specimens .
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本文对比分析了氮基保护气氛和真空两种热处理加热介质对300M钢疲劳性能的影响,并研究了热处理后表面喷丸强化对300M钢疲劳性能的改善情况。
In this paper , the effect of heat treatment by the nitrogen atmosphere and vacuum furnace and shot peening thereafter on fatigue properties of 300M steel were studied .
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本文基于国内某航空企业的需要,对300M钢零件喷丸强化后打磨处理对其强化效果的影响及其影响机理进行了研究。
Based on the requirement of a domestic aviation enterprise , the influence of polishing after shot peening on 300M steel and its mechanism are studied in this paper .
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喷丸强化明显加速了SUPER304H不锈钢的敏化/脱敏过程。
The strength of shot peening accelerates the sensitization / desensitization process .
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结果表明,TC4钛合金经高能喷丸处理后,材料表面形成一定厚度的细化晶粒组织,且喷丸强度越高,表层平均晶粒尺寸越细、形变层越深;
The results show that the higher the shot strength , the smaller the mean grain sizes in surface and the thicker the deformation layers ;
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盐水浸泡实验表明,各试样的腐蚀失重随NaCl溶液浓度的增大而增加,且喷丸处理试样的腐蚀失重量大于未喷丸处理试样的腐蚀失重量。
The immersion test in NaCl solution shows that with the increase of concentration of the NaCl solution , the weight loss of samples is also increased . However , the weight loss of the treated specimen is larger than that of the untreated one ;
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通过喷丸处理方法在纯钛表面形成一定厚度的超细晶组织(纳米及亚微米组织),利用扫描热显微镜(SThM)对超细晶组织的热性能进行分析。
Scanning thermal microscopy ( SThM ) was used to analyze thermal properties of an ultrafine-grained titanium surface layer produced by ultrasonic shot peening .
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以平面磁控溅射Co-Cr,Ni-Fe和Gd-Fe等二元合金薄膜为对象,研究其内应力与Ar工作气体压强的关系,并探讨原子喷丸效应对应力的影响。
In this paper , with respect to Co-Cr , Ni-Fe and Gd-Fe binary alloy thin films deposited by planar magnetron sputtering , the dependence of internal stress on Ar working gas pressure is studied , and the contribution of atomic peening effect to the stress is discussed .
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对喷丸后的Q235钢进行热处理和显微组织观察,结果表明:经过在结晶热处理,表层晶粒发生再结晶,而心部组织保持为冷变形前细小的等轴晶形态。
Microstructure observation of γ - TiAl after subsequent heat treatment shows that : after the crystallization heat treatment , recrystallization occurs in the surface layer , and the center microstructure maintains the prior equiaxed grains as that before cold deformation .
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喷丸处理促使镍基单晶多晶化,喷丸层晶块碎化,随着表面覆盖率的提高,ODF最大取向密度和取向线强度逐渐降低,样品喷丸层呈现不同的织构特征。
Shot peening could promote crystallization of nickel base single crystal and more , made layer crystal block more fragment . With increasing of surface coverage , ODF maximum orientation density and orientation line strength decreases , the sample showed different shot peening layer texture characteristics .
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计算机辅助喷丸工艺规程设计(SP-CAPP)是专门为从事喷丸工艺规程编制工作的技术人员所设计的计算机软件系统。
Spray piluar-computer Auxiliary procedures plan ( SP-CAPP ) is a computer software system that is intended to those skill workers who pursue in composing spray piluar-procedures .
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铝合金表面强化包括喷丸强化、振动强化和滚筒强化,它们均使材料表面产生一层强化层,其深度约在0.07~0.5mm。
The surface strengthen of aluminum alloys includes shot peening , vibrating and rolling . These products all have a hard layer on surface of materials . The hard layer depth is about 0.07 ~ 0.5 mm .
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实验表明,含氮中锰奥氏体耐磨钢经高能喷丸处理后,可获得平均晶粒尺寸约为20nm的纳米晶组织表面层,表层相组成没有变化,喷丸后硬度提高了约21.5%。
The results show that the nanograined microstructure with the average grain size of obout 20 nm is obtained in the surface layer of this steel by high-energy peening process . The phase constitute is not changed . The hardness of the peened sample is increased by about 21.5 % .
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直升机齿轮喷丸-电刷镀复合修复工艺研究
Composite Technics of Shot-peening and Brush-plating for Renovating Gears on Helicopter