研究了碳、铬含量对珠光体基体低铬铸铁冲击疲劳抗力及冲击磨损性能的影响。
The effect of carbon and chromium content on the impact fatigue resistance and impact abrasion resistance of pearlitic low chromium cast iron has been investigated in this paper.
采用M CF - 30型冲蚀磨损试验机对两种不同热处理后的低铬铸铁进行冲蚀磨损实验。
Erosion wear experiments were done for low-chromium cast iron containing nickel with two different heat treatments by MCF-30 erosion test machine.
为了提高铸件表面的耐磨性，实验以低铬铸铁为基体，WC颗粒为增强体，制备出颗粒增强表面耐磨复合材料。
In order to improve the abrasion-resistant on the casting surface, the low-Cr cast iron matrix composite reinforced by WC particles in sand mold was made in the experiment.
而增加含硅量后的低铬白口铸铁的腐蚀磨损耐磨性将比普通白口铸铁的高。
The corrosion wear resistance of low chromium white cast iron increases when the silicon content increases in it.
前言：考虑磨料介质的实际服役工况条件，生产低铬白口铸铁磨球的工艺设计原则应明确为：在改善韧性指标的前提下，进一步提高硬度。
Considering practical use conditions, technology design principle of producing low chrome white cast iron grinding ball should be: Under premise of improving toughness, to enhance hardness more.
结果表明：经化学成分调整后中铬抗磨白口铸铁可成功用于生产中等或中等稍强磨损工况下使用的渣浆泵，成本低，耐磨性优良。
The results show that the modified abrasion resistant medium chrome white cast iron can successfully be applied to slurry pumps which should work under medium or medium-high wear duties.
高应力磨料磨损或低应力磨料磨损工况条件下，高铬白口铸铁空淬后不须回火可直接应用。
Under high stress or low stress abrasion working conditions, high Cr white cast iron can be used just after it having been air quenched.
通过力学性能和耐磨性能测试、金相组织观察和ESEM形貌分析，研究了氮含量对低碳高铬铸铁性能的影响。
The effects of nitrogen on the properties of low carbon high chromium cast iron were studied by mechanical property and wear resistance test, and metallograph analysis using OM and ESEM.
以大型矿用球磨机研磨体为应用对象，在实验室条件下研究了硅、铜对低铬白口铸铁腐蚀磨损耐磨性的影响。
The effect of Si and Cu on the corrosive wears resistance of low chromium white cast iron for making grinding body of large grinding ball mill used in mine was studied in the conditions of laboratory.
研究了稀土变质及热处理对低铬耐磨铸铁热疲劳裂纹形成的影响。
The effect of re modification and heat treatment on formation of thermal fatigue crack in low chromium wear-resistant cast iron was investigated.
试验结果表明，使用该材料制作的牙板其使用寿命与高铬钼铸铁牙板相当，且生产成本低。
The result of industrial experiment had shown that jaw made of this material last equally with that of high Cr Mo cast iron, and this material is low_cost.
采用稀土硅铁、低碳铬铁和复合变质剂对中铬铸铁进行变质处理后，组织细化、性能提高；
The experiment results showed the structure was refined and the properties were enhanced after adding modificator, such as rare-earth ferrosilicon.
对低铬白口铸铁经过40 %热变形后，用不同冷却方式下得到的组织与力学性能进行了研究。
The low chromium white cast iron had been treated with different cooling rates after 40% deformation .
随着高温保温时间的延长，低碳高铬铸铁的磨损率降低幅度较大，耐磨性能提高。
With increasing of the holding time at high temperature, wear rate decreasing of low C-hi cr cast iron became more obvious, and wear resistance increased.
通过显微组织观察、高温氧化性试验、生长试验以及热疲劳试验研究了低铬球墨铸铁的高温耐热性能。
Through the observation of microstructure, high temperature oxidation test, volume growth and thermal fatigue test, the high temperature heat-resistance of low chromium ductile iron was studied.
而增加含硅量后的低铬白口铸铁的腐蚀磨损耐磨性将比普通白口铸铁的高。
The effect of Si content on the corrosion wear resistance of low chromium white cast iron in the slurry with Cu2+ ion was studied by three-body corrosion wear test.
结果表明，当浆料介质中铜离子浓度增加时，低铬白口铸铁的腐蚀磨损耐磨性降低。
The results show that the corrosion wear resistance of low chromium white cast iron decreases with the increase of Cu2 + ion concentration in slurry.
本文从分析预应力混凝土空心板单体成形挤压机铰刀的服役条件出发，选择了低铬钼白口铸铁做为饺刀材质。
In this paper. Service Condition of an auto-Cutting apart extrusion machine reamer for making prestressed hollow-cored concrete articles is analysised.
本文从分析预应力混凝土空心板单体成形挤压机铰刀的服役条件出发，选择了低铬钼白口铸铁做为饺刀材质。
In this paper. Service Condition of an auto-Cutting apart extrusion machine reamer for making prestressed hollow-cored concrete articles is analysised.
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