Thermal-Mechanical Testing Apparatus With Heating Current By-Pass System
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Solution Overview
Problem
Conventional thermal-mechanical testing systems for simulating multi-stand rolling mills and multi-hit forging processes face limitations in accurately heating the entire sample material due to spatial constraints, leading to incomplete simulation results.
Innovation Solution
A thermal-mechanical testing apparatus with a heating current by-pass system that continuously heats the contact area of the test specimen using conductive end plates and insulating connectors, allowing for even heat distribution and maintaining temperature during compression, enabling accurate simulation of fabrication processes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If conventional heating systems are used to heat only a small area of the sample material, then the spatial constraints within the material testing machine are maintained, but the accuracy of the simulation is compromised due to incomplete heating of the entire sample
Solution Approach 1:
The heating system is divided into multiple independent heating zones along the length of the sample. Each zone can be heated independently, allowing the entire sample to be heated uniformly without requiring a single large heating element that would interfere with the simulation space constraints.
Solution Approach 2:
The heating approach transitions from a single-point or small-area heating method to a distributed linear heating system along the length of the sample. This dimensional extension allows comprehensive heating of the entire sample while maintaining compact spatial footprint within the testing machine.
2Speed
If the sample material is heated rapidly to replicate the fabrication process, then the simulation speed is improved, but temperature uniformity is reduced leading to inaccurate simulation results
Solution Approach 1:
The sample is divided into multiple heating zones that can be heated simultaneously and independently. This segmentation allows rapid heating of the entire sample while maintaining temperature uniformity across all zones through coordinated control of each heating element.
Solution Approach 2:
Multiple heating elements operate continuously and simultaneously along the length of the sample, providing continuous heating action that maintains both rapid heating rates and temperature uniformity throughout the sample during the simulation process.
3Manufacturing precision
If the heating system is expanded to heat the entire sample, then the simulation accuracy is improved, but the device complexity increases due to additional heating components
Solution Approach 1:
The heating zones are designed to serve multiple functions: they can be activated independently for selective heating, simultaneously for uniform heating, or in sequence for controlled temperature gradients. This multi-functionality reduces the need for additional specialized heating components, thereby limiting the increase in device complexity while achieving comprehensive sample heating.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The apparatus ensures consistent and efficient heating of the test specimen, reducing temperature loss and improving the accuracy of simulation results by maintaining the desired temperature throughout the process, thus enhancing the transferability of laboratory results to full-scale production.
Implementation Method 1
A thermal-mechanical testing apparatus with a heating current by-pass system that continuously heats the contact area of the test specimen using conductive end plates and insulating connectors
Implementation Method 2
heats the contact area of the test specimen using conductive end plates and insulating connectors
Data Source
AI summary
A thermal-mechanical testing apparatus for use with an electrically conductive specimen testing system. In one embodiment, the apparatus includes a first compression anvil assembly, a mounting frame coupled to the first compression anvil assembly, and a second compression anvil assembly positioned opposite the first compression anvil assembly and the mounting frame. The first compression anvil assembly includes a mounting plate, a first compression anvil coupled to the mounting plate, and a heating current ground system coupled to the mounting plate. The mounting frame includes a set of conductive end plates, a set of insulating connectors connecting the conductive end plates, and a plurality of mounting components coupled to the insulating connectors. The mounting components are also coupled to the mounting plate. The second compression anvil assembly includes a conductive mounting plate, a second compression anvil coupled to the conductive mounting plate, and a heating current by-pass system coupled to the conductive mounting plate and one of the conductive end plates.