sand inclusion

简明释义

夹砂

英英释义

例句

1.Manufacturers are required to report any sand inclusion found during the inspection process.

制造商需要在检查过程中报告发现的任何沙子夹杂物。

2.The technician noted that the sand inclusion could be a result of improper molding techniques.

技术员指出，这个沙子夹杂物可能是由于不当的成型技术造成的。

3.The engineer discovered a sand inclusion in the concrete mix, which could weaken the structure.

工程师发现混凝土中有一个沙子夹杂物，这可能会削弱结构。

4.To ensure quality, we must test for sand inclusion in all batches of the casting material.

为了确保质量，我们必须检测所有铸造材料批次中的沙子夹杂物。

5.The presence of sand inclusion in the metal part led to a significant drop in performance.

金属部件中的沙子夹杂物的存在导致性能显著下降。

作文

In the field of material science, understanding various defects and inclusions is crucial for improving the quality and performance of materials. One such defect that often arises in metal casting processes is known as sand inclusion. This term refers to the unwanted presence of sand particles within a cast metal component. When molten metal is poured into a mold made from sand, some of the sand can inadvertently mix with the metal, leading to a variety of detrimental effects on the final product. The presence of sand inclusion can significantly weaken the structural integrity of the cast component, making it more susceptible to failure under stress. The formation of sand inclusion typically occurs during the casting process when the sand mold is not properly prepared or when the pouring temperature of the metal is too high. If the mold is not adequately coated or if there are gaps in the mold, the molten metal can erode the sand, causing particles to become trapped in the final product. This issue is particularly prevalent in complex shapes where the flow of molten metal is less predictable. To mitigate the risk of sand inclusion, foundries employ several strategies. Firstly, they ensure that the molds are properly designed and constructed to minimize the chances of sand erosion. This includes using higher quality sand and appropriate binders that enhance the durability of the mold. Additionally, controlling the pouring temperature is essential; maintaining an optimal temperature helps prevent excessive erosion of the mold material. Another effective approach is to conduct thorough inspections of the final products. By utilizing non-destructive testing methods, such as X-ray or ultrasonic testing, manufacturers can identify the presence of sand inclusion before the components are put into service. This proactive step is critical in industries where safety and reliability are paramount, such as aerospace and automotive manufacturing. Furthermore, educating workers about the importance of avoiding sand inclusion is vital. Training programs can help personnel understand the causes and consequences of this defect, promoting best practices in the casting process. By fostering a culture of quality awareness, foundries can significantly reduce the occurrence of sand inclusion and enhance the overall quality of their products. In conclusion, sand inclusion is a significant defect in the metal casting industry that can have serious implications for the performance of cast components. By implementing proper mold design, controlling pouring temperatures, conducting inspections, and training workers, foundries can effectively minimize the occurrence of this defect. Ultimately, addressing the issue of sand inclusion not only improves the quality of individual components but also contributes to the reliability and safety of the final products. As the industry continues to evolve, ongoing research and development will be crucial in finding innovative solutions to combat sand inclusion and other casting defects.

在材料科学领域，理解各种缺陷和夹杂物对于提高材料的质量和性能至关重要。其中一个在金属铸造过程中经常出现的缺陷被称为沙子夹杂物。这个术语指的是铸造金属组件中不需要的沙粒的存在。当熔融金属倒入由沙子制成的模具时，一些沙子可能会意外地与金属混合，从而导致最终产品出现各种有害影响。沙子夹杂物的存在可以显著削弱铸件的结构完整性，使其在应力下更容易发生故障。沙子夹杂物的形成通常发生在铸造过程中，当模具没有得到妥善准备或金属的浇注温度过高时。如果模具没有得到充分涂覆，或者模具中存在缝隙，熔融金属就可能侵蚀沙子，导致颗粒被困在最终产品中。这个问题在形状复杂的铸件中尤为突出，因为熔融金属的流动性较难预测。为了降低沙子夹杂物的风险，铸造厂采用几种策略。首先，他们确保模具的设计和构造得当，以尽量减少沙子侵蚀的机会。这包括使用更高质量的沙子和适当的粘合剂，以增强模具的耐久性。此外，控制浇注温度也是至关重要的；保持最佳温度有助于防止模具材料的过度侵蚀。另一个有效的方法是对最终产品进行彻底检查。通过利用无损检测方法，例如X射线或超声波检测，制造商可以在组件投入使用之前识别出沙子夹杂物的存在。这一主动步骤在航空航天和汽车制造等安全和可靠性至关重要的行业中尤为重要。此外，教育工人避免沙子夹杂物的重要性也至关重要。培训项目可以帮助员工理解这一缺陷的成因和后果，促进铸造过程中的最佳实践。通过培养质量意识的文化，铸造厂可以显著减少沙子夹杂物的发生，提高其产品的整体质量。总之，沙子夹杂物是金属铸造行业中一个重要的缺陷，可能对铸件的性能产生严重影响。通过实施适当的模具设计、控制浇注温度、进行检查和培训工人，铸造厂可以有效地减少这种缺陷的发生。最终，解决沙子夹杂物的问题不仅提高了单个组件的质量，还为最终产品的可靠性和安全性做出了贡献。随着行业的不断发展，持续的研究和开发对于寻找创新解决方案以对抗沙子夹杂物及其他铸造缺陷至关重要。