V. Technology roadmap
The R&D committee of the American Heat Treatment Society has established three working groups: Process and Materials, Equipment and Hardware Materials, Energy and Environmental Protection, and proposed research projects and plans for each of their work areas to reach the 2020 Heat Treatment Industry Vision. And comprehensively evaluate the returns (high, medium, low, etc.), risk (high, medium, low, etc.), completion deadline and urgency, and determine the research projects that should be prioritized.
Return: high, medium and low, etc. Risks: high, medium and low
Completion period: recent: 0~3 years, medium term: 3~10 years, long term: more than 10 years Urgency: top, advanced, intermediate
1. Process and materials part of the process and materials research project return risk urgency of completion time 1. Develop and improve sensor design tools to reduce trial and error and correct high and low short top 2. Develop carburization resistant to grain growth above 1010 ° C Steel high and low short height 3. Higher than 1010 °C high temperature carburizing feasibility, including atmosphere and vacuum carburizing to shorten the process cycle (summary) high and low short high 4. rapid nitriding process development high and low medium and high 5. rapid heating phase transition kinetics Determination of high, medium and short high 6. Carburizing, limiting hardenability steel, intense quenching process and material development High school medium and medium 7. Development of high-efficiency surface quenching method High and long-term 8. Improve tempering of induction, magnetic field and furnace / aging process understanding to reduce dispersion and shorten the time high and low short 9. High-efficiency surface modification process development low high and long 10. The effect of rare earth elements on the microstructure evolution during heat treatment Medium and low length 11. Deep Development and application of cold treatment materials, low, medium and short 12. Development of heat treatment processes for iron, non-ferrous alloys, composites and polymers
Material Application Fundamentals: Software and Model Data
13. Material selection includes material performance database software development, user input required performance, output is candidate material and its heat treatment performance low, medium and low 14 development and failure characteristics associated material performance low, medium and low process model user input The use of the characteristics of the judgment (wear, load, corrosion), the output is the material / microstructure characteristics (Note: this model can be used to reverse the results of the aging analysis)
Model development
15. Development of materials for continuous heating and cooling of phase change databases, including the variation of steel during the rolling process, chemical composition changes and microstructure inhomogeneities on the phase transition kinetics. High-level and short-term top 16. Development of heat from room temperature to heat treatment temperature Performance and mechanical properties of the database high and low length top stage 17. Development of heat treatment process and final performance database high and low short top 18. Development of heating and cooling phase change volume strain model high school medium high 19. Integrated phase change model makes it a software tool high and low short high 20. Develop a low-cost method for forming a database. High, medium, and high 21. Develop probes for measuring the heat transfer characteristics of various media and parts in production equipment. High school medium and high 22. Develop industry standards for testing and obtaining phase change data models (including in furnaces) Or heating in other media, oil, water, polymer, salt, air, quenching in the air, and jet cooling) high, low, medium and high 23. Development of thermodynamic models of material and atmosphere interactions high, medium and high 24. Implementing process control systems Link model development high and high 25. Development of carburizing, nitriding, high temperature carburizing furnace gas - —Material interaction thermodynamic model high and low 26. The thermodynamic model for predicting cooling rate, residual stress and part performance is high and low. 27. Explain the further development of computer model for more efficient uniform heat transfer fluid dynamics.
2. Equipment and hardware materials
(1) Process control
ï¬ Develop improved predictive tools such as process design, predictive state, thermophysical and mechanical performance prediction computer models.
ï¬ Develop timely process control technology, smart sensors for measuring airflow, quenching intensity, carbon and nitrogen potential in furnaces and quenching tanks.
ï¬ Develop a method for measuring the carbon content of the surface directly on the workpiece.
ï¬ Develop production methods with unsupervised process parameters.
ï¬ Fast, non-destructive, economical, and method of measuring the depth of carburized layer.
ï¬ Identify the furnace's optimized system according to the AMS specification (Aerospace Material Specification) using a variety of sensors and technologies.
ï¬ Better equipment troubleshooting, prevention, and maintenance methods, such as burner crack prediction, to prevent deterioration of furnace atmosphere.
ï¬ Establish standards/forecasting studies on the feasibility of equipment, such as the possibility of having two identical furnaces.
ï¬ Models for predicting furnace geometry, fan speed, furnace loading, and furnace shape.
(2) Materials ï¬ Improve the carbon black resistance of the oxygen probe – develop an oxygen probe that can be used below 700 °C.
ï¬ New functional materials (such as thermal insulation materials) and structural materials (such as structural materials that work at high temperatures).
ï¬ Economical heat-resistant component materials for furnaces.
ï¬ Improve the properties of the heat-resistant component alloy of the furnace, including the anti-carburizing alloy fixture and the cheap coating of the tray.
(3) Hardware ï¬ High efficiency (>80%) burner.
ï¬ High-flow heat exchangers, high-speed fans, increased heat transfer area, etc. to improve the heating conditions of the charge.
ï¬ Low-cost insulation materials for building furnaces that reduce heat dissipation.
ï¬ Energy-saving, no internal oxidation and carburizing atmosphere.
ï¬ Improvement of aluminum alloy quenching equipment.
ï¬ Uniform quenching system for batch (disc) charge.
ï¬ Improved design model for quenching equipment.
ï¬ One-piece flow and machining synchronous heat treatment equipment.
ï¬ Sensors on the quenching machine that can sense the quenching crack at the right time.
ï¬ Cheap residual stress non-destructive testing method.
ï¬ More efficient and cheaper liquid or non-liquid working degreasing methods and equipment.
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1. Electronic balance and its classification According to the accuracy of electronic balance, it can be divided into the following categories:
1. Ultra-micro electronic balance: The maximum weighing of the ultra-micro balance is 2 to 5g, and its scale division value is less than (maximum) 10-6. For example, Mettler's UMT2 electronic balance belongs to the ultra-micro electronic balance.
2. Microbalance: The weighing of the microbalance is generally 3 to 50g, and its division value is less than the (maximum) weighing 10-5, such as the AT21 electronic balance of Mettler and the S4 electronic balance of Sartoruis.
3. Semi-micro balance: The weighing of semi-micro balance is generally 20 to 100g, and its division value is less than (maximum) 10-5. For example, Mettler's AE50 electronic balance and Sartoruis' M25D electronic balance belong to Such.
4. Constant electronic balance: the maximum weighing of this kind of balance is generally 100 to 200g, and its division value is less than (maximum) weighing 10-5, such as Mettler's AE200 electronic balance and Sartoruis A120S, A200S electronic balance The average is a constant electronic balance.
5. Analytical balance: In fact, electronic analytical balance is a general term for macro balance, semi-micro balance, micro balance and ultra-micro balance.
6. Precision electronic balance: This type of electronic balance is a general term for electronic balances with an accuracy level of â…¡.
Laboratory Scale,Analytical Balance,Precision Balance,Small-range Weighing Scale,Small-range Industrial Weighing.,Electronic Balance,Jewelry Scale
Electronic balance, laboratory scale, small-range weighing scale, jewelry scale, analytical balance, precision balance, small-range industrial weighing.
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