Hardness testing functionality has evolved, and now users can dial into world-class-caliber instrumentation that more closely aligns with their applications at hand. The method is based on the impacting the striker on the concrete surface with predetermined impacting energy and subsequent measuring of the height of the striker rebounding. The height of the striker rebounding will be proportional to the strength of concrete. The strength of concrete is determined with the calibration charts that are supplied with the instrument. Getting benefit from two types of measurements is the ultimate advantage that a portable device can provide.
Licensee must pay any applicable taxes, other than taxes on ASTM’s net income, arising out of Licensee’s use of the ASTM Product and/or rights granted under this Agreement. This Agreement is the entire agreement between Licensee and ASTM relating to its subject matter. No modification of this Agreement will be binding, unless in writing and signed by an authorized representative of each party. Licensee may terminate this Agreement at any time by destroying all copies of the ASTM Documents and terminating all access to the ASTM Product. Licensee is solely responsible for maintaining the confidentiality of its password and for ensuring the authorized access and use of the ASTM Product. The right to display, download and distribute hard copies of Documents for training Authorized Users or groups of Authorized Users.
Combines UCI and Leeb hardness testing in one state of the art device
The ultrasonic hardness tester is used for non-destructive hardness testing of materials. This inspection technique uses sound waves to evaluate the quality of solid materials , determine their thickness and detect the presence of internal defects. Advanced Ultrasonic Hardness Tester UCI 3000 applies ultrasonic contact impedance method to do comparative hardness measurement for testing pieces, with the high accuracy, efficiency, portability, and easy operation.
This set up is used to modify selected input parameters according to a Design of Experiments in order to investigate their impact on tool wear and drawing force. The results obtained can be summarised into two simple equations, which depend only on the most dominant parameters. ultrasonic contact impedance hardness testing allows a quantitative optimisation of the press hardening process, as illustrated by a practical example.
Portable Hardness Tester
One of the most common indentation hardness tests used today is the Rockwell hardness test. Although less widespread, the Brinell and Vickers hardness tests are also utilized. Most indentation hardness tests measure the deformation that occurs when the material being tested is penetrated with an indenter. Two levels of force are applied to the indenter at specified rates and dwell times when performing a Rockwell hardness test.
In ASTM A1038 testing, hardness is reported in SI units and is considered as standard. Built-in camera allows user to picture of testing object and mark tested area with corresponding hardness value. It is found that interaction of Glu, Lys, Gly and Ser amino acids with BNNTs in both phases is energetically favorable.
Automatic motorized test probe for the PCE-5000 hardness tester with a test force of 8N. The PCE-5000-STAND test stand for the PCE-5000 hardness tester is used to support the automatic test probes. The test stand allows automated measurements, with a higher reproducibility of tubes and round material.
By invoking this procedure, ASTM does not waive any of its rights to enforce this Agreement or to protect its intellectual property by any other means permitted by law. Licensee acknowledges and agrees that ASTM may imbed certain identifying or tracking information in the ASTM Products available on the Portal. Understanding the different hardness testing types and systems can be useful to determine an optimal solution.
The world’s first wireless Ultrasonic Contact Impedance testerEquotip Live UCI creates new opportunities for collaboration in portable ultrasonic hardness testing. In this paper, we present the development of a voluntary muscle contraction sensing system that provides motion information of body for computing human body forces for physical human–robot interactions . A resonance-based active-muscle stiffness sensor using piezoelectric probes was built and tested to measure stiffness changes in muscles. The sensor is evaluated by comparing the results with those of a force sensor and surface electromyography in terms of accuracy and by assessing the response time test under isometric conditions. Experimental results pertaining to flexor carpi radialis contractions are presented to show the feasibility and performance levels of the developed sensing system when sensing muscle contractions.