锻件缺陷的超声波检测。
同时利用DEFORM软件对锻造过程进行模拟研究，预测出锻件上的缺陷位置，为实际锻造生产提供理论依据。
Based on DEFORM software, the forging process and predict the forging defect locations were simulated that provided a theoretical basis for the actual forging production.
原始钢锭中含有不可避免的凝固缺陷，并且在核电等大型锻件中，其内部微观组织晶粒度是影响其高韧性能的关键因素。
There are many inevitable defects in raw ingots. And the microstructure is the key factor which affects the high ductility of heavy forgings such as in nuclear power plant.
未经扩氢退火的电渣钢大锻件经超声波检验，未发现白点缺陷。
Ultrasonic testing shows on flake defects in theheavy forgings of ESR steel without any diffusion annealing.
本文介绍了缺陷转子锻件循环寿命的估算方法。
A method for estimating cyclic life of forgings containing flaws is presented.
夹杂性裂纹是大型锻件致废的主要缺陷形式之一。
The internal cracks originated from inclusions are one of main forms of defects for heavy forgings.
镦粗变形是大型饼类锻件的主要成形方式，夹杂性缺陷是其主要质量问题。
The upsetting deformation is the main forming mode for heavy disk forgings and the inclusion defects is the main quality issue.
为大型框锻件的工艺参数优化，锻后组织控制以及缺陷预测与消除等提供了必要的技术支持。
They provide necessary technical support for the optimization of process parameters and the implement of structure controlling after forging.
改进后，所得终锻件各部位充填饱满、飞边分布均匀并且无明显折迭缺陷。
The results shows that the forging part has better filling die, even flash and has not fold defect.
分析了锻件生产过程中，在锻造、热处理以及炼钢中经常产生缺陷的原因，并提出了预防措施。
Based on analysis on the reasons for the defects in large sized forgings during steel making, heat treatment and, the preventive measures were formulated.
研究表明：通过合理设计锻模，选择适当的坯料尺寸，能有效防止锻件内部冶金缺陷的进一步扩大。
It shows that rational die design and billet size can effectively prevent the defects from further enlarging.
研究发现，锻压过程中合金的流动性整体较好，在锻件头部和杆部边缘处充填性稍差，主要的缺陷也易在这些部位产生。
It is found that the alloy has a better mobility in forging process. Lack of filling occurred in the head and the edges. The main flaw is also easy to produce in these parts.
后者解决了大型饼类锻件中出现的“夹馅饼”缺陷的难题。
The latter solves the difficult problem of the "meat pie" defects existing in the heavy disk forgings.
应该注意的是，锻件中的缺陷的总的长度为350mm。
It should be noted, the total length of the defect in this forging is 350 mm in length.
论文采用钢试件高温模拟方法对热加工过程中易引起大型锻件内部探伤超标的孔洞型缺陷、夹杂性裂纹等缺陷的修复规律进行了探讨。
The principle of the internal faults (cavities and cracks originated from inclusion) recovery was investigated in the plastic deformation by using the method of physical modeling at high temperature.
从锻件的材质、锻造工艺参数、锻模温度、热处理工艺参数四个方面，阐述了铝合金模锻件粗晶缺陷的产生原因及消除措施。
The article discusses causes and eliminated measures of aluminium alloy die forgings crassitude crystal from four sides of component, technical parameter, temper of die and heat treatment.
针对大型铝合金件的锻造过程，采用实验与计算机模拟相结合的办法，分别对锻件内部冶金缺陷的变化及其应变场进行了分析。
In large aluminum alloy forgings, the change of inside metallurgical defects and the strain fields have been studied by experimental and numerical simulation.
针对大型铝合金件的锻造过程，采用实验与计算机模拟相结合的办法，分别对锻件内部冶金缺陷的变化及其应变场进行了分析。
In large aluminum alloy forgings, the change of inside metallurgical defects and the strain fields have been studied by experimental and numerical simulation.
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