Manufacturer: Jinan Kehui Testing Equipment Co., Ltd.

Equipment model: JBDW-300D

Location: Room 116 of Science and Technology Building

Person-in-charge: Chen Guangxiu

Tel.: 62332598-6205

Main functions：

The device is used to determine the impact toughness of metal material at low temperatures.

Main applications:

1. Evaluate the material’s notch sensitivity to the damage caused by large energy under a single impact load.

2. Inspect and control the metallurgical quality and thermal processing quality of material.

3. Evaluate the ductile-brittle transition characteristics of the material at low temperatures.

Main technical parameters：

Impact energy: 300 J

Pre-elevation of pendulum bob: 150°

Distance from the center of the pendulum bob to the impact point: 750 mm

Impact speed: 5.24 m/s

Cooling method: liquid nitrogen

Low temperature range: 0°C~ -190°C

Temperature control accuracy: fluctuation: ± 2°C, gradient: 3°C

Specimen size: 10 mm × 10 mm × 55 mm

Laboratory appointment:

http://202.204.49.249/Equipment/Show?Id=68c7fba4-7d83-463f-8e89-3604a5dc9ce1