High temperature elastic modulus tester

• 详细介绍
• 详细参数

• 详细介绍

  Device name:

  High temperature vacuum elastic modulus tester

  Model: BUZZ-2150

  Place of Origin: U.S. BuzzMac

  Specifications: Comply with ASTM C1259, E1876 and other standards.

  Purpose: Used to test the elastic modulus of materials under high temperature and vacuum environment, including metals, alloys, ceramics, concrete, cement, glass and rocks and other types of materials. It has the characteristics of wide measurement range, high accuracy and convenient operation. It can obtain the material's elastic modulus, shear elastic modulus, bulk modulus, Poisson's ratio and other related parameters at the same time.

  
  

  
  

  High temperature vacuum furnace unit:

  
  

  Furnace structure: vertical, stainless steel, O-type water circulation refrigeration Inner diameter: 500 mm

  Total height: 700 mm

  Bottom pressure: less than 5 X 10 Torr (room temperature) Ultimate pressure: less than 5 X 10 Torr (room temperature) Heating structure: resistance wire

  Oven cavity size: 250*200*200 mm.

  Temperature: Room temperature～1200℃ (maximum setting temperature)

  
  

  Insulation body: high-vacuum, high-quality, high-temperature-resistant special bricks

  Vibrator: Located at the bottom of the furnace body, there is a mechanical vibrator, which generates mechanical vibration and encourages the sample to fully vibrate.

  Gas protection: There is a special interface at the bottom of the furnace body for inert gas (nitrogen, argon).

  
  

  Furnace control and power supply:

  Power source: 220 volts, 50 Hz

  (It can be 60 Hz depending on the user) Maximum power: 10 kW

  Thermocouple: K-type thermocouple temperature control: PID program temperature control

  The accuracy is higher than 1.0℃ with overheating alarm

  
  

  
  

  
  

  Vacuum unit:

  
  

  Number of pumps: Two-stage vacuum pump (Edwards RV12 two-stage rotary vane pump and Edwards

  nNXT 400D turbomolecular pump), to ensure that the system vacuum can be better than 10-2 Pa. Front stage pump: Edwards RV12 two-stage rotary vane pump

  Pumping speed: 12.0 cubic meters/hour @50 Hz

  14.2 cubic meters/hour @60 Hz

  
  

  Ultimate pressure: ~10 Torr

  
  

  Main pump: Edwards nNXT 400D turbomolecular pump pumping speed: more than 400 liters/sec

  Ultimate pressure: ~10-8 Torr

  Flange direction: CF positioning flange on the side prevents dust from high temperature samples from accumulating on the surface of the pump and affecting the service life of the pump.

  Pressure test: full range of vacuum gauges: atmosphere ~ 10-8 Torr (control and display) Gas exhaust: a dry nitrogen port

  Control method: pump, ventilation and temperature are controlled and monitored through a friendly computer user interface.

  Gasket: Del-sealTM brand metal gasket. It can withstand a high temperature of 450°C and a pressure of 10-13 Torr, which can fully ensure a good vacuum in the cavity.

  
  

  
  

  
  

  G1: from atmospheric pressure to 10-9 Torr

  TP: Turbo molecular pump

  RP: Rotary sliding vane pump

  V1: Vent valve between the turbomolecular pump and the cavity

  V2: Vent valve of rotary vane pump

  
  

  
  

  
  

  Laser Vibrometer:

  
  

  The new multi-functional integrated OFV-505/5000 compact laser vibrometer from German Polytec company is a cost-effective and flexible high-precision vibration measuring instrument. The system has extremely high optical sensitivity. In addition to measuring the dynamic characteristics of conventional objects, it can also be equipped with a microscope for vibration measurement of micro objects. It is an ideal vibration measurement tool from small components to large equipment.

  
  

  
  

  OFV-505/5000 outstanding performance:

  · The optical head is compact, sturdy and durable, with an industrial protection level of IP64, dust-proof and oil-proof, suitable for industrial production environments

  · Direct output speed and displacement

  · Maximum bandwidth 2.5MHz, maximum speed 10m/s

  · 16 shift gears, resolution is better than 15pm

  · Excellent linearity and measurement resolution

  · Low noise, high optical sensitivity, long-distance test

  
  

  · Optional magnifying lens and lighting unit to detect micro components

  Low noise test:

  The maximum vibration velocity measured by OFV-505/5000 is up to 10m/s, and the maximum bandwidth is up to 2.5MHz. The user can select a displacement decoder to obtain the displacement directly through phase decoding. Compared with the velocity integral to obtain the displacement, the displacement decoder adopts the fringe counting principle to avoid the large errors caused by the problems of zero drift in the low-frequency domain.

  
  

  Speed output:

  
  

  
  

  Maximum speed range: ±10m/s

  Minimum speed resolution: 0.02 µm/s (in Hz bandwidth)

  A total of eight gear output: 5～1000mm/s/V, maximum output +/-10V: Frequency range: DC～2.5MHz

  Typical accuracy; ±1%

  
  

  The working principle of the equipment:

  The Buzz-2150 high-temperature vacuum elastic modulus instrument is installed at the bottom of the furnace body to generate mechanical vibrations to force the sample to fully vibrate. The laser detector on the top of the furnace body accurately measures the vibration frequency generated by the sample being excited, and the vibration frequency signal passes The amplifier is recorded in the system, including all the information of the vibration wave, until the vibration fails. Then the system software finally calculates the material's elastic modulus, shear modulus, Poisson's ratio and other related data based on the measured material vibration frequency, material density and other related data.

  
  

• 详细参数

  Technical performance parameters:

  Frequency range better than 1.0MHz

  Test accuracy is better than 1.0%

  Test time few seconds

  Damping or internal friction damping coefficient 10-5～10-1

  Measurable sample types All materials with elastic properties

  Test principle Laser vibration

  The size of the measurable sample is less than 200*180*180 mm (cube, cylinder, etc.)

  Measurable parameters: elastic modulus, shear modulus, Poisson ratio, internal friction, etc.

  Measurable temperature: room temperature～2100℃

  Test environment vacuum

  Vacuum level is better than 10-2 Pa

  
  

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• 详细介绍

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