unannealed

简明释义

英[ʌnəˈniːld]美[ʌnəˈnild]

adj. 未退火的；未焖火的；未经锻炼的

英英释义

单词用法

同义词

反义词

例句

1.XRD structural analysis shows that peak intensity of the annealed sample is greater than that of the unannealed one which demonstrated an increase of crystallinity.

XRD结构分析显示，退火后薄膜样品的峰值强度大于未退火样品的强度，说明样品结晶度增强。

2.The Positron lifetime spectra of unannealed and annealed Ni-coats, electro-plated from the four typical baths, have been measured.

测量了四种典型镍镀层的采透火和退火试样的正电子湮没寿命谱。

3.The experimental results indicated that the film resistivity of the sample annealed was reduced significantly and only one 3.17 of the unannealed.

实验结果表明：退火后样品的薄膜电阻率显著减小，是未退火样品薄膜电阻率的3.17分之一；

4.XRD structural analysis shows that peak intensity of the annealed sample is greater than that of the unannealed one which demonstrated an increase of crystallinity.

XRD结构分析显示，退火后薄膜样品的峰值强度大于未退火样品的强度，说明样品结晶度增强。

5.Using unannealed materials can lead to structural failures in construction projects.

在建筑项目中使用未退火的材料可能会导致结构失效。

6.The jewelry was crafted from unannealed metal, resulting in a rough finish.

这件珠宝是用未退火的金属制作的，导致表面粗糙。

7.The engineer noted that the unannealed alloy would require further treatment to improve its durability.

工程师注意到，这种未退火的合金需要进一步处理以提高其耐用性。

8.The metal components were left unannealed, which made them brittle and prone to cracking.

这些金属部件被留作未退火，这使它们变得脆弱并容易开裂。

9.In the manufacturing process, unannealed glass is much more likely to shatter upon impact.

在制造过程中，未退火的玻璃在受到冲击时更容易破碎。

作文

In the world of materials science, the term unannealed refers to a state where a material, typically metal or glass, has not undergone the process of annealing. Annealing is a heat treatment that alters the physical and sometimes chemical properties of a material to increase its ductility and reduce its hardness, making it more workable. When a material is unannealed, it retains internal stresses from its manufacturing process, which can lead to brittleness and a higher likelihood of failure under stress. This concept is crucial in various industries, especially in manufacturing and construction, where the integrity of materials is paramount.For instance, consider the production of steel. Steel that is unannealed may be used in applications where high strength is required, such as in certain structural components. However, this strength comes at a cost; the unannealed steel may be more prone to cracking or breaking when subjected to sudden impacts or extreme conditions. Therefore, engineers must carefully assess whether to use unannealed materials or to subject them to an annealing process to achieve the desired balance between strength and ductility.Moreover, the implications of using unannealed materials extend beyond just mechanical properties. In electronics, for example, wires made from unannealed copper might have higher resistivity and lower conductivity compared to their annealed counterparts. This can affect the performance of electrical devices, leading to inefficiencies and potential overheating. Thus, the choice between unannealed and annealed materials can significantly impact the overall functionality and safety of a product.In the realm of glassmaking, the distinction between unannealed and annealed glass is equally important. Glass that is unannealed can have residual stresses that make it susceptible to shattering. This is particularly concerning in applications where safety is critical, such as in windows or glass doors. Manufacturers often choose to anneal glass to relieve these stresses, ensuring that the final product is safe for use and less likely to break under normal conditions.The decision to use unannealed materials is often a trade-off between cost, performance, and safety. While unannealed materials may be cheaper and readily available, the long-term risks associated with their use can lead to higher costs in terms of repairs, replacements, and potential safety hazards. Therefore, understanding the properties of unannealed materials is essential for professionals in engineering and manufacturing fields.In conclusion, the term unannealed encapsulates a critical aspect of materials science that affects various industries. The choice to utilize unannealed materials must be made with careful consideration of their properties and the requirements of the intended application. Whether in construction, electronics, or glassmaking, the implications of using unannealed materials can be profound, influencing not only the performance of products but also the safety of users and the longevity of structures. As technology continues to advance, so too will our understanding of how best to manipulate materials, ensuring that we can harness their properties effectively while minimizing risks associated with their unannealed states.

在材料科学的世界中，术语unannealed指的是一种状态，其中材料（通常是金属或玻璃）没有经过退火过程。退火是一种热处理，可以改变材料的物理和有时化学性质，以增加其延展性并降低其硬度，使其更易于加工。当材料处于unannealed状态时，它会保留制造过程中产生的内部应力，这可能导致脆性增加，并在施加压力时更容易发生故障。这个概念在各种行业中至关重要，尤其是在制造和建筑行业，材料的完整性至关重要。例如，考虑钢的生产。未退火的钢可能用于需要高强度的应用，例如某些结构部件。然而，这种强度是有代价的；unannealed的钢在遭受突然冲击或极端条件时可能更容易开裂或断裂。因此，工程师必须仔细评估是否使用unannealed材料，或者将其进行退火处理以实现强度和延展性之间的理想平衡。此外，使用unannealed材料的影响超出了机械性能。在电子产品中，例如，由unannealed铜制成的电线可能具有更高的电阻率和较低的导电性，与退火后的电线相比。这可能影响电子设备的性能，导致效率低下和潜在的过热。因此，在选择unannealed和退火材料之间的选择可能会显著影响产品的整体功能和安全性。在玻璃制造领域，未退火和退火玻璃之间的区别同样重要。未退火的玻璃可能具有残余应力，使其易碎。这在安全至关重要的应用中尤为令人担忧，例如窗户或玻璃门。制造商通常选择对玻璃进行退火，以释放这些应力，确保最终产品在正常条件下使用时是安全的，并且不易破裂。选择使用unannealed材料通常是成本、性能和安全之间的权衡。虽然unannealed材料可能更便宜且易于获得，但与其使用相关的长期风险可能导致修理、更换和潜在安全隐患的成本更高。因此，了解unannealed材料的性质对于工程和制造领域的专业人士至关重要。总之，术语unannealed概括了影响各个行业的材料科学的一个关键方面。利用unannealed材料的选择必须仔细考虑其性质以及预期应用的要求。无论是在建筑、电子还是玻璃制造中，使用unannealed材料的影响都可能深远，不仅影响产品的性能，还影响用户的安全和结构的寿命。随着科技的不断进步，我们对如何最好地操控材料的理解也将不断提高，确保我们能够有效利用其特性，同时最大限度地减少与其unannealed状态相关的风险。