ISO 1798 :1999弹性多孔聚合材料的拉伸强度与断裂伸长率
ISO 1798探讨了以恒定速率拉伸至断裂时，软质泡沫聚合材料的拉伸强度和变形性能.
原则上，试样夹紧在两个卡爪之间，并装有给定标距长度的引伸计。试样以恒定的位移速率被拉至断裂。测试过程中，记录载荷和应变用于确定拉伸强度和伸长量。为了记录测试结果，具有高速智能的测试数据采集速率非常重要。这需要与PC间的传输速率达到100Hz或更高来捕捉和记录所有数据。
对于此测试，采用覆有橡胶层夹面的 气动夹具 将材料夹紧在 拉伸试验机 上。尽管手动夹具也可以利用，但是由于使用方便、效率高和更好的可重复性，使用者更喜欢使用气动夹具。气动夹具可以设定预夹紧力的大小，而手动夹具的夹紧力大小取决于操作者的力量（可重复性差）。我们发现在这些测试中夹紧力和试样的对中非常重要。太大的压力会导致过早的断裂，而没有足够的夹持力可能会导致试样在钳口或者靠近钳口的地方打滑或者断裂。这些夹具通常适于单立柱或双立柱台式 试验机的设计。
应变测量有两种方法可以采用。接触式长行程引伸计贴在试样上。这包括一个适于确定试样的适当部分在长度方向上的相对变化的装置。另一种是 非接触式视频引伸计 可以作为一个观测装置，用于确定试样适当部分在长度方向上的相对变化。
我们建议使用如Bluehill(R) 2的材料测试软件来输入试样的详细数据，设定所需的控制，自动计算出所需的结果和统计数据，并得到完全符合标准的测试报告。
建议再次学习ISO 1798，以便在进行测试之前充分理解测试设备和结果要求。
AVE 2 Non-Contacting Video Extensometer
The second generation Advanced Video Extensometer (AVE 2) utilizes patented measurement technology in the fastest, most accurate non-contacting strain measurement device commercially available.
- 产品
- 1/26/2018
- 1.3 MB
Automatic Contacting Extensometer - Model AutoX 750
The AutoX 750 is a high-resolution, long-travel automatic contacting extensometer. It can be mounted onto any electromechanical 3300, 5500, or 5900 table top and floor model systems, as well as LX, DX, HDX, and KN static hydraulic testing systems. It is well suited for applications involving plastics, metals, biomedical, composites, elastomers, and more. The AutoX has a maximum travel of 750 mm and accuracy of ± 1 µm.
- 产品
- 8/15/2013
- 1.4 MB
2630-080 Long Travel Extensometer
The Instron® model XL (long travel) extensometer is a precise device for measuring strain in highly extensible materials such as elastomers, semi-rigid plastics and films.
- 产品
- 10/23/2018
- 151.4 KB
2712 Series Pneumatic Side Action Grips (2712-041, 2712-042, 2712-045, 2712-046)
Instron® 2712-04x Series Pneumatic grips, packed with features to enhance gripping performance, usability, and operator safety.
- 产品
- 5/16/2019
- 0.7 MB
2710-100 Series Screw Side-Action Grips
Screw side-action grips provide a very simple and efficient method for holding test specimens in a wide range of applications. The dual - acting design of 2710-100 series grips means that jaw faces can be adjusted to accommodate different specimen thicknesses. This ensures that the line of tensile force remains concentric with the grip body. They can be equipped with a selection of interchangeable grip jaw faces in various sizes and choice of surfaces including smooth ground, rubber-coated and serrated. Line contact and special coated faces are also available.The unique ‘snap-on’ jaw face attachment makes changing faces extremely quick and simple.
- 产品
- 6/28/2017
- 1.3 MB
英斯特朗 3300 系列电子万能材料试验机
3300系列测试机器是专门为满足标准化和日常测试的要求而开发的。该系列产品能够以最经济的价格为用户提供 Instron一如既往的出色质量
- 产品
- 8/9/2013
- 1.9 MB
5900 Series Brochure
5900万能试验系统是专为精确度，内置的耐用性，并提供了灵活性不断变化的需求。它们的设计与提升测试效率和完善的检测经验，为运营商的标准和可选功能。广泛的模型可用于从<100N测试容量达力600kN。
- 产品
- 12/13/2012
- 2.3 MB
Bluehill® Universal Software
Bluehill Universal Software is built from the ground-up for touch interaction and an intuitive user experience. Discover simpler and smarter testing with features such as pre-loaded test methods, QuickTest in seconds, enhanced data exporting: and Instron Connect – a new feature that provides a direct communication link to Service. Users of previous versions of software such as Bluehill 2 and Bluehill 3 can easily upgrade to the newest version of Bluehill.
- 产品
- 2/26/2017
- 3.9 MB