Blastfurnace slag, expanded clay, broken brick and steel shot may be used where appropriate. 炉矿渣,陶粒,碎砖和钢丸也可在适当的地方使用。
Study on the Heattreatment and Ervin Life of High Carbon Cast Steel Shot 高碳铸钢丸热处理及欧文寿命的研究
Stanley Steels still thinks someone stole his smooth steel sling shot. 斯坦利.斯蒂尔仍然认为有人偷了他的平滑的钢弹弓的弹丸。
Before shop primer is applied, dust, sand residue, crushed steel shot or grit and all other contaminants must be removed from the surface using a vacuum cleaner, air blower, etc. 当车间底漆涂装之前,应用真空清洁器、鼓风装置除去表面的灰尘、残砂、碎钢粒以及其他污染物。
The high manganese steel was processed by the conventional shot peening technology, and the surface microstructure was characterized. 利用传统的喷丸技术对高锰钢表面喷丸处理,研究材料表层的组织结构特征。
In this paper, an attempt has been made to improve the short-crack fracture characteristics of structural steel by the application of shot peening. 本文对采用喷丸处理改善结构钢的短裂纹断裂性能进行了探讨。
China's steel market is likely to remain weak and prices depressed until next year, the country's biggest steel producer said yesterday, in what appeared to be a warning shot to mining companies in the midst of the annual iron ore price negotiations. 中国最大的钢铁生产商昨日表示,在明年之前,中国钢铁市场可能仍将处于疲态,价格持续低迷。此番言论似乎是在年度铁矿石价格谈判期间,向矿业公司发出的警告。
A gun barrel was made of this new "chromium steel", but the first shot fired through it broke it into a dozen pieces. 用这种新的铬钢做成的枪,第一次开大后它就裂成了许多碎片。
In this thesis, series of low carbon cast steel shot were successfully obtained by medium-frequency melting and centrifugal atomization technologies and temper were performed. 采用中频熔炼、离心雾化凝固冷却得到铸态低碳铸钢丸,并对此进行相应回火处理得到不同硬度及寿命的低碳铸钢丸。
Comparison between Steel Shots and Glass Shots in Shot Peening of Crankshaft Fillets 用铸钢丸和玻璃丸对曲轴圆角喷丸强化的对比分析
According to the driving test results and the failure analysis of the tank track pans of medium Mn cast steel, shot peening was proposed as the pre-strengthening measure. 针对新研制的中锰铸钢坦克履带板装车考核中的特点,提出了对连接筋实施喷丸强化处理的预强化方案。
The results show that the fatigue resistance of steel is improved by the flat surface residual stress produced through shot peening which has crack closure effect to reduce the velocity of crack extension. 结果表明,喷丸强化在表层产生的残余压应力可明显提高疲劳抗力,增强裂纹闭合效应,降低裂纹扩展速度。
Improving Short-Crack Fracture Characteristics of Structural Steel Through Shot Peening 采用喷丸处理改善结构钢的短裂纹断裂性能
Characteristics of Compressive Residual Stress Fields in High-strength Steel Caused by Shot Peening 高强度钢喷丸强化残余压应力场特征
In this paper taking No. 40# axle steel as the test material the writer chose two kinds of shot peening strength for peening the test sample. 以40#车轴钢为试验材料,选择了两种不同的喷丸强度对试件施喷。
Effect on properties of hadfield steel after shot peening treatment; 喷丸处理诱导高锰钢表层纳米化对高锰钢性能的影响;
The surface nanocrystallization of a low carbon steel and commercial pure titanium was realized by using high-energy shot peening technique. 本文利用高能振动喷丸技术对低碳钢和工业纯钛进行了表面纳米化处理。
The paper have mainly made research on Character Recognition Technique in train wheel steel characters, which is shot in industrial locale. 本论文主要针对工业现场拍摄的火车轮钢印字符,进行识别研究。
The steel balls ( 1.03g, firing range 10m) were shot at the hind legs of pigs, and then these swines were randomly assigned into local medication group and oral medication group. 在高原以1.03g钢珠射距10m致伤猪后肢,随机分为局部用药组和全身用药组。
This paper studies the influence of CTA steel wire-like fiber on the properties of shot concrete and high-performance concrete, and also discusses the possibility and the future of the CTA steel wire-like fiber partially replacing steel fiber or steel meshwork. 本文通过分析凯泰(CTA)改性聚丙烯粗纤维对喷射混凝土及高性能混凝土的性能影响,探讨了凯泰(CTA)改性聚丙烯粗纤维替代或部分替代钢纤维或钢丝网的可能性及应用前景。
Research on the measurement of the deflection and deformation of the steel structures by close-shot photography 近景摄影观测钢结构挠度变形的实验研究
Density, hardness, size distribution, microstructure and service life of steel shot produced by different plants have been analyzed and certain with long service life has been selected to be used in production. 本文对不同厂家生产的钢丸密度、硬度、粒度分布、金相组织和寿命进行分析,优选了一种使用寿命长的钢丸应用于生产。
Following a review of the three development stages of core drilling ( iron shot. steel shot and synthetic diamond drilling) undergone by the geological system of Ministry of Metallurgical Industry ( MMI) since the founding of the People's Republic. 回顾了建国以来冶金地质系统岩心钻探所经历的铁砂钻进、钢粒钻进和人造金刚石钻进三个发展阶段,认为只有依靠技术进步才能不断提高钻探技术水平;
After different cycles of contact rolling, the contact fatigue behaviours and the changes of the residual stress fields in auto gear carburized steel with or without shot peening have been studied and determined. 就汽车齿轮渗碳钢,经不同工艺渗碳与强力喷九处理后,对试件在接触应力作用下滚压过程中残余压应力场动态变化行为和接触疲劳性能进行了研究。
The conclusions are as follows: as the height increases, the contact stress of pellet reduces; while in same height, the contact stress of cast steel shots, whose diameter is the same as stainless steel shot, is lager than that of stainless steel shot. 所得结论为:随着高度的增加,弹丸的冲击应力降低;而在同一高度时,同直径的铸钢丸产生的冲击应力比不锈钢钢丸要大。
The micro-hardness and grain size of steel plates were measured by optical microscope, and the effects of glass bead diameters, shots coverage and shot peening pressure on surface hardness and grains were studied. 通过光学显微镜检测了钢板表层的显微硬度和晶粒尺寸,研究了弹丸直径、表面覆盖率和喷丸压力等参数对表层硬度和晶粒组织的影响。