Used to determine the fracture characteristics of pipelines and pressure vessels, drop weight tear testing (DWTT) is a critical part of material qualification programs for 石油和天然气 以及工业应用. Our experts help ensure that your materials are fit for purpose in high risk, 高压情况.
类似于 断裂韧性试验, DWTT measures both the crack initiation and crack propagation characteristics of metallic materials at operating temperatures. By evaluating materials over a range of anticipated thermal conditions, we can help determine how working conditions will affect the 强度, longevity and durability 材料的.
Performing Drop Weight Tear 测试
Depending on the method used and the goal of testing, DWTT samples can be notched or unnotched samples. The specimen is dropped from a predetermined height, and the mode and extent of fracture is determined. Our experts can also use this data to make determinations about the transition temperature of materials, helping you understand how brittleness and ductility will affect your materials over time.
Our DWTT labs have the latest Data Acquisition 系统s (DAS), allowing us to more accurately report energy displacement and better understand how materials are affected by drop weight tear.
Choosing a Fracture Toughness Program
Because of the similarity in procedure and results, DWTT is often performed in conjunction with 夏比冲击试验, fracture mechanics programs, or other 机械测试 方法. Our experts can help you determine which tests and 方法 are most appropriate for your samples, helping you get the most out of your products and materials.
Other drop weight testing 方法 that we offer include:
- Nil延性
- Drop tower testing (up to 6000 ft/lbs)
- 动态撕裂试验
For more information about our DWTT capabilities, or to request a quote, im体育APP 今天.
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材料测试 provides valuable insight into the material characteristics such as hardness, 灵活性, 强度, 化学成分, which provides a better understanding of the behavior 材料的 when subjected to operating conditions. 了解更多准备请求报价?
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