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- The effect of heat treatment on structure and hardness of high alloy iron based hardfacing layer metal was studied and the result obtained is of guiding significance for it's application. 研究了热处理对高合金铁基堆焊层组织和硬度的影响,所得结果对其应用有一定的指导意义。
- The self strengthening mechanism of high and middle manganese steel hardfacing layer was also presented. 阐述了中高锰钢耐磨堆焊层的自强化机理。
- Influence and mechanism of RE on the constitutes, structure and wear resistances of Fe base alloy powder sprayed melted coating in diffrent depth is investigated. 本文主要研究了稀土对铁基合金喷熔层不同层深的成分、组织结构及各种耐磨性的影响规律及作用机制。
- Abstract：In this paper，effect of boron on the appearance and wear-resisting property of carbon arc hardfacing layer were studied by adding ferroboron into the alloy. 摘要： 本文通过在合金粉块中添加适量的硼铁，研究了硼对合金粉块碳弧堆焊的堆焊层成形和耐磨性的影响。
- After tempering treatment at different conditions,the tempering stability of Fe-base hardfacing layer containing multiple alloying element was investigated. 对多元合金铁基堆焊层的焊态试样进行不同条件下的回火后处理,研究了该堆焊层的回火稳定性。
- Yttrium contained hardfacing electrode with good process properties were made and the structure,hardness and abrasive resistance in hardfacing layer were studied. 研制出一种工艺性能良好的含稀土钇的堆焊焊条，对其堆焊层显微组织结构、硬度、耐磨性进行了较系统的试验研究。
- The hardfacing and heat treatment of hardfacing layers were conducted with two different hot roller hardfacing materials. 对选用的两种不同热轧辊堆焊材料，进行了表面堆焊试验。
- Cr-Mo-W-Mn-Ni ferric-base hardfacing layer Cr-Mo-W-Mn-Ni铁基堆焊层
- Fe base wear resistant alloys strengthened by Laves phase 莱武氏相强化铁基抗磨合金
- The effect mechanism of thermal history of the melt on the phase formation of the rapidly solidified Al Fe based alloys and the phenomenon of which the melt kinematic viscosity dur... 有效地解释了熔体热经历对快凝铝铁基合金中相形成的影响机制，以及长期以来不易理解的、加热过程中熔体的运动粘度比冷却过程中熔体的运动粘度为小的现象。
- The wear resistant comparison of hardfacing layers between the new electrode and normal hardfacing electrode D322 indicate that the former is higher than the latter under the same condition. 与常用冷冲模堆焊焊条D322相比,在相同条件下,新型焊条的耐磨性能优于D322。
- The runner was retired put out at first base. 跑垒者于第一垒上被刺杀出局。
- The runner went to second base on a wild pitch. 一记瞎设让跑垒员跑上了第二垒。
- You cannot enter a military base without a permit. 无通行证者不得擅入军事基地。
- Keywords Fe-base hardfacing layer;tempering stability;multiple alloying; 铁基堆焊层;回火稳定性;多元合金;
- Her heavy industry rests on a broad and firm base. 它的重工业有广泛坚实的基础。
- By means of analysising the chemic component, optical structure and the SEM and measuring the microhardness, the samples with the crack in the hardface layer of continuous caster roller were studied. 采用化学成分、金相组织和扫描电镜断口分析及显微硬度测定等手段对连铸辊表面堆焊层开裂部位进行了取样分析。
- He caught me off base with that question. 他的问题猝然把我给问倒了。
- A Pueblo people located north-northeast of Santa Fe, New Mexico. 陶斯人一支居住于美国新墨西哥州圣大菲城东北偏北的普埃布洛印地安人中的成员
- The bombers swooped on the air base. 轰炸机突袭空军基地。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
