元素提供广泛的裂缝韧性和骨折力学检测服务,以帮助您估算组件的使用寿命,减少昂贵的维修,改善设计,延长组成部分的预期寿命。

骨折韧性试验是一个mechanical test methodused to determine the energy needed to initiate and cause failure within a material. It can also be used in conjunction withfatigue testing,corrosion testing温度升高确定不同条件下材料的使用寿命。

Our fracture toughness testing services

Using advanced techniques and equipment, our experts provide valuable insight into material performance, helping you make critical determinations about the safety, fitness, and longevity of metallic, non-metallic and advanced materials. As a single-source provider of fracture mechanics and mechanical testing, we can assist in creating a testing program that gives you confidence in your products and materials.

Our services include characterizing fracture toughness through single point critical values (CTOD, J integral and K) as well as tearing resistance diagrams (J-R and CTOD-R curves), following the international standards including BS 8571, ISO 12135, ASTM E1820, ASTM E1921.

Specimen geometries

元件is well equipped to perform fracture toughness testing and analysis on a vast range of specimen geometries, including but not limited to:

  • 紧凑张力(CT)
  • 中间张力(MT)
  • Single-Edge Notched Tension (SENT)
  • 单边缘脱褶(SeNB)
  • Extended Compact Tension (ECT)
  • Centre Cracked Tension (CCT)
  • 表面裂纹张力(SCT)
  • Composite Materials under modes I, II and III loading

yabo娱乐vip材料类和裂缝力学测试能力

Our fracture mechanics experts test high-strength ferrous, nonferrous, polymer and composite materials using advanced computer-controlled servo-hydraulic test frames. Coupled with decades of experience and many successful applications, our advanced equipment control, processes, and data acquisition methods allow us to guide you on even the most complex test results.

还有可能创建自定义骨折测试分析,并适应特定应用或环境对非标准断裂力学测试协议的任何请求。

元素优势

我们的订阅专家对材料绩效提供了宝贵的见解,帮助制造商对金属,非金属和先进材料的安全,健身和长寿进行了关键决定。yabo娱乐vip作为机械测试服务的单一来源提供商,我们可以帮助创建一个测试程序,为您提供对您的产品和材料的信心。yabo娱乐vip

我们对各种行业的骨折分析,从运输,航空航天和国防供应商到石油和天然气,发电和基础设施。yabo88更新

For more information about fracture toughness testing, or to receive a quote,接触一个交货perttoday.

断裂韧性试验

断裂韧性标本和试验方法

Manufactured materials are not immune to experiencing cracks, flaws or defects. Our materials testing experts measure the fracture toughness of both nonferrous and high-strength ferrous materials to provide manufacturers with valuable insight into the allowable stress levels and overall durability of their product.

More fracture mechanics testing services:
Tensile Testing Laboratory
Fracture Toughness Testing

CTOD Testing

Crack Tip Opening Displacement, or CTOD, is a measure of the crack length or physical opening of the fatigue crack tip at the point of failure. CTOD testing measures the toughness of materials that tear before failure and provides a single value at the first sign of instability. CTOD testing typically results in one of three types of failure:

CTOD测试通常导致三种类型的故障之一:
  1. The sample fails in a brittle manner in the elastic region or shortly after the onset of deformation.
  2. The sample fails in a brittle manner after stable tearing has started and the load is still increasing at the time of fracture.
  3. 在样品不能再容纳施加的负荷和不稳定的撕裂时,近乎发生故障。
ASTM D3039 Composite Tensile Testing
Fracture Toughness Testing

Testing K1C Value

KIC测试(有时称为KIC或K1C)用于确定金属材料的脆性断裂韧性。yabo娱乐vip最常与ASTM E399相关的,线性弹性平面应变断裂韧性试验或kic值在一系列温度下进行,以确定设计,寿命计算和裂纹生长,或剩余的寿命计算。有效的KIC测试确保标本线性弹性条件下的样品骨折。

关键事实:
Mechanical Testing Aerospace Product Lifecycle
Fracture Toughness testing

测试J1C和JR值

基于J的骨折韧性测试测量裂缝延伸期间释放的能量。该方法用于评估具有高韧性和低强度测量的材料。yabo娱乐vip很像CTOD测试,JIC或JR测试测量在发生故障之前的材料的不稳定性,但更为关注延性撕裂。

断裂韧性试验

T-notch Testing

Choosing the appropriate fracture toughness test method and standard is dependent on the behavior of material being evaluated. Metallic materials, like aluminum, present linear-elastic behavior. Whereas plastics, polymers and other non-metallic materials exhibit elastic-plastic behavior.

Established industry standards recommend one of three modes of load application to accomplish crack growth or material failure.

  • 模式1:在裂缝平面方向上施加的负载
  • Mode 2: load applied along the length of the crack plane
  • Mode 3: load applied across the width of crack plane
Fracture Toughness Testing

Standards We Test To

美国石油研究所

API 1104,API RP 2Z

美国测试与方法

ASTM B645, ASTM B646, ASTM B909, ASTM D5045, ASTM D5528, ASTM D6671, ASTM D7905, ASTM E370, ASTM E399, ASTM E561, ASTM E1290, ASTM E1304, ASTM E1820, ASTM E1922

英国标准

BS 7448, BS 8571

Det Norske Veritas.

DNV-OS-F101, DNV-RP-F108

International Standards Organization

ISO 12135, ISO 12737, ISO 15653

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我们可交付的是确定性 - 高质量的数据,测试报告和证书,您可以在做出关于您的材料和合规性的决策时绝对依赖。yabo娱乐vip与今天的专家参与。

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