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来源：百度知道 编辑：UC知道 时间：2024/05/26 12:03:06
Herein, the cavitation erosion performance of structural carbon steel (45) and corrosion-resistant chromium steel (2Cr13), alloyed superficially with Mn, Cr, Ni, Si, Ti, Co, Nb, Al, Mo, B was investigated. The samples processed by means of CO2 laser beam were subsequently subjected to cavitation loading at the rotating disc facility. The tests were performed in the incubation period of the erosion. The damage of the alloyed and untreated surfaces at any moment of cavitation erosion process was defined by the loss of surface brightness due to indentations number increase. In order to find out a correlation between the increase in cavitation resistance and the work hardening capability of the materials,the measurements of microhardness distributions in the processed layers were also done.

在这我们研究了结构碳钢（45）和抗腐蚀铬钢(2Cr13)分别与几种物质合金的液流气泡侵蚀其（气蚀）性能，几种物质包括锰，铬，镍，硅，钛，钴，铌，铝，钼和硼。通过CO2激光束处理的样品紧接着被放到转盘设备上进行气穴实验。测试在侵蚀的起步期开始。气蚀处理过程中合金和未处理表面的损坏都可以通过凹口增加使得表面光度损失而确定。为了找到抗气蚀能力与材料硬度之间的相互关系，我们对处理层中细微的硬度变化也进行测量。

在这里，空蚀性能的结构碳钢（ 45 ）和抗腐蚀的铬钢（ 2 Cr13 ） ，合金，表面上与锰，铬，镍，硅，钛，钴，铌，铝，钼， B组进行调查。样品的处理手段， CO2激光束，其后受到空化装载在回转圆盘设施。测试表现在发病潜伏期间的侵蚀。损害合金和未经处理的表面，在任何时刻，空蚀过程中所定义的损失，表面的亮度，由于凹进的数目增加。在为了找出之间有关联的增加，空化阻力和加工硬化能力的材料，测量硬度分布在加工层也做了。