shrinkage hole
简明释义
收缩孔
英英释义
例句
1.The technician used a special resin to fill the shrinkage hole in the plastic component.
技术员使用特殊树脂填补塑料部件中的收缩孔。
2.The engineer identified a shrinkage hole in the casting, which could compromise the structural integrity of the part.
工程师发现铸件中有一个收缩孔,这可能会影响部件的结构完整性。
3.The presence of a shrinkage hole can lead to defects in the final product, making it unsellable.
存在一个收缩孔可能导致最终产品出现缺陷,使其无法出售。
4.We must address the shrinkage holes found in the mold before proceeding with mass production.
在进行大规模生产之前,我们必须解决模具中发现的收缩孔。
5.To improve quality control, we need to monitor the occurrence of shrinkage holes during the manufacturing process.
为了提高质量控制,我们需要监测制造过程中收缩孔的发生情况。
作文
In the field of materials science and engineering, understanding defects in manufactured products is crucial for ensuring quality and reliability. One such defect that often arises during the manufacturing process is known as a shrinkage hole. A shrinkage hole (收缩孔) refers to a void or cavity that forms within a material as it cools and solidifies. This phenomenon is particularly common in metals and polymers, where the cooling process can lead to uneven contraction. When a material is heated to a high temperature, it expands. However, upon cooling, it contracts. If the cooling occurs too rapidly or unevenly, it can create areas within the material that do not have enough material to fill the space, resulting in a shrinkage hole (收缩孔). These holes can compromise the structural integrity of the material, leading to weaknesses that may cause failure under stress.The formation of shrinkage holes (收缩孔) can be influenced by several factors, including the type of material, the rate of cooling, and the design of the mold used in the casting process. For instance, in metal casting, if the molten metal is poured into a mold that cools too quickly, the outer layer of the metal may solidify while the interior remains liquid. As the interior cools and shrinks, it can create a void, resulting in a shrinkage hole (收缩孔). To mitigate this issue, manufacturers often utilize techniques such as risers and chills, which help to control the cooling rate and ensure that the molten material has enough time to fill all cavities before solidification occurs.In addition to manufacturing processes, shrinkage holes (收缩孔) can also affect the performance of components in various applications. For example, in the aerospace industry, even small defects like shrinkage holes (收缩孔) can lead to catastrophic failures. Therefore, rigorous testing and inspection methods are employed to detect these defects before the components are put into service. Non-destructive testing methods such as ultrasonic testing and X-ray imaging are commonly used to identify the presence of shrinkage holes (收缩孔) and assess their impact on the overall integrity of the material.Understanding the implications of shrinkage holes (收缩孔) is essential for engineers and manufacturers alike. By recognizing the conditions under which these defects form, they can implement better designs and processes to minimize their occurrence. Furthermore, advancements in technology and materials science continue to provide new ways to address the challenges posed by shrinkage holes (收缩孔). For instance, the development of advanced alloys and composite materials can enhance resistance to shrinkage and improve overall performance.In conclusion, the concept of shrinkage holes (收缩孔) is an important consideration in the fields of manufacturing and materials engineering. By understanding how these defects form and their potential impacts, professionals can take proactive measures to ensure the quality and reliability of their products. Ongoing research and innovation will undoubtedly continue to play a vital role in addressing the challenges associated with shrinkage holes (收缩孔), paving the way for safer and more efficient materials in the future.
在材料科学和工程领域,理解制造产品中的缺陷对于确保质量和可靠性至关重要。在制造过程中经常出现的一种缺陷被称为收缩孔。收缩孔指的是在材料冷却和固化过程中形成的空洞或腔体。这一现象在金属和聚合物中尤为常见,因为冷却过程可能导致不均匀收缩。当材料加热到高温时,它会膨胀。然而,在冷却时,它会收缩。如果冷却过快或不均匀,就会在材料内部产生没有足够材料填充空间的区域,从而导致收缩孔。这些孔洞可能会损害材料的结构完整性,导致在应力下的弱点。收缩孔的形成可能受到多种因素的影响,包括材料类型、冷却速度以及铸造过程中使用的模具设计。例如,在金属铸造中,如果将熔融金属倒入一个冷却过快的模具中,金属的外层可能会固化,而内部仍然保持液态。随着内部冷却和收缩,可能会形成一个空洞,从而导致收缩孔。为了减轻这个问题,制造商通常采用如升头和冷却器等技术,这些技术有助于控制冷却速率,确保熔融材料有足够的时间填充所有腔体,然后再固化。除了制造过程外,收缩孔也可能影响各种应用中组件的性能。例如,在航空航天工业中,即使是像收缩孔这样的小缺陷也可能导致灾难性的故障。因此,采用严格的测试和检查方法以在组件投入使用之前检测这些缺陷。无损检测方法如超声波检测和X射线成像通常用于识别收缩孔的存在并评估其对材料整体完整性的影响。理解收缩孔的含义对工程师和制造商来说至关重要。通过认识到这些缺陷形成的条件,他们可以实施更好的设计和流程,以最小化其发生。此外,材料科学和技术的进步继续提供新的方法来应对收缩孔带来的挑战。例如,先进合金和复合材料的发展可以增强对收缩的抵抗能力,并改善整体性能。总之,收缩孔的概念在制造和材料工程领域是一个重要的考虑因素。通过理解这些缺陷的形成及其潜在影响,专业人士可以采取主动措施确保其产品的质量和可靠性。持续的研究和创新无疑将继续在解决与收缩孔相关的挑战中发挥重要作用,为未来更安全、更高效的材料铺平道路。
相关单词