Arena Information

Arena Name: Competitive Arena for Ultrasonic Nondestructive Testing of Residual Stress

Arena Type: Competitive Arena

Arena Host

Real Name: Yin Peng

Organization: Ningbo Branch of China Academy of Ordnance Science

Specimen Parameters

Material: Steel / Aluminum

Specification and Dimension: See the dimensions of specimens provided in the scheme

Surface Condition: Smooth surface or as specified in the scheme

Restrictions and Conditions

Testing Method: Critically Refracted Longitudinal Wave Ultrasonic Method

Testing Instrument: Ultrasonic Nondestructive Testing Equipment for Residual Stress

Testing Technology: Implemented in strict accordance with GB/T 32073.1

Maximum Number of Participants: ≤ 5 persons

Testing Surface: As required by tasks (Tensile surface / Surface of holed components / Inner and outer surfaces of bent plates)

Time Limit: ≤ 0.5h

Evaluation Rules

Evaluation shall be subject to the scoring rules specified in the task scheme:

Task 1: The participant with the minimum absolute error between the final measured stress value and the actual loading value obtains the highest score.

Task 2: The participant with the best repeatability obtains the highest score.

Task 3: The participant with the optimal overall stability of double-sided measurement obtains the highest score.

Technical Difficulty Description

Probe coupling stability

Control of measurement repeatability

Synchronous detection of inner and outer surfaces

Participation Notice

Challenge registration opens on May 22. Please contact the Competition Secretariat.

All challengers must complete the official registration of the 2026 Far East NDT New Technology Forum to obtain the challenge qualification.

Contact Information

Contact Person: Zheng Shanpu

Mobile: 13905382089

Email: zhengshanpu_zjtj@163.com

You may contact Zheng Shanpu to join the WeChat group: 2026 Far East NDT New Competition Arena for registration, technical consultation and relevant event information.