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Experimental Study on the Lab Test of Annular-Grooved Polycrystalline Diamond Compact Bit

期刊: EXPERIMENTAL TECHNIQUES, ; ()

In order to study the rock breaking efficiency of the annular-grooved PDC bit, a test bit with adjustable diameter of 241.3 mm was designed and manufa......

A Full-Field Non-Contact Thermal Modal Testing Technique Under Ambient Excitation

期刊: EXPERIMENTAL TECHNIQUES, ; ()

Temperature has significant effects on modal parameters of a structure. However, it is difficult to do a full-field dynamic measurement and identify m......

Research on Impact Sound Insulation Performance of Timber Floor Structure

期刊: EXPERIMENTAL TECHNIQUES, ; ()

To meet users' needs for the building comfort, this article researched the impact sound insulation performance of timber floor structure under differe......

Study on the Load Conversion of Bolt-Nut Fasteners between Tightening and Service Conditions

期刊: EXPERIMENTAL TECHNIQUES, ; ()

At present, the common method to realize the pre-tightening effect of threaded fasteners is by applying an accurate tightening torque on them. However......

Technology Upgrades and Reliability Analysis of a Tribometer for Performance Evaluation of Cylinder Piston Rings

期刊: EXPERIMENTAL TECHNIQUES, ; ()

The design of existing tribometers mainly focuses on normal contact and lubricant conditions and aims to evaluate the effect of the load, speed, and e......

Research on a Novel Non-contact Metrology Technology of Stress Measurement Based on Deflection Method

期刊: EXPERIMENTAL TECHNIQUES, ; ()

With the aerospace and aviation industry development, machining deformation is the most prominent and urgent problem in the production process. Studie......

Gas Seepage Under Continuous and Step Loading Based on True Triaxial Seepage Test Apparatus

期刊: EXPERIMENTAL TECHNIQUES, 2021; 45 (2)

The conventional triaxial loading in gas seepage studies does not reflect the actual stressing state in the coal seam. Thus, a true triaxial seepage e......

Crack Propagation Detection Method in the Structural Fatigue Process

期刊: EXPERIMENTAL TECHNIQUES, 2021; 45 (2)

In this paper, a method for measuring crack propagation length in the structural fatigue process is presented. A convolutional neural network is prese......

Determination of Constitutive Relationships of Tubular Materials at Various Strain Rates Using Hydro-Bulging Experiments

期刊: EXPERIMENTAL TECHNIQUES, 2020; 44 (1)

Liquid impact forming (LIF) is a rapid tube hydroforming technique. The deformation behaviour of a metal tube may be different in LIF from that in tub......

Rotation Calibration Method for Thrust Based on Force Error Analysis

期刊: EXPERIMENTAL TECHNIQUES, 2020; 44 (1)

Accurate measurement of thrust in rocket engine, as a core parameter of attitude control of rocket engine, is an important guarantee for reliable oper......

Experimental Study on Scheme Optimization of Composite Damping Structure

期刊: EXPERIMENTAL TECHNIQUES, 2020; 44 (3)

Experimental study on scheme optimization of composite damping structure was carried out and the effect of environmental temperature on damping charac......

Experimental Research Examining the Stray Current Corrosion of Rock Bolts in the DC Transit System

期刊: EXPERIMENTAL TECHNIQUES, 2020; 44 (2)

Rock bolts are widely used in the main structure of the DC transit system and play the role of the main body reinforcement and support. Because of the......

Determination of Tensile Strength by Modified Brazilian Disc Method for Nuclear Graphite

期刊: EXPERIMENTAL TECHNIQUES, 2020; 44 (4)

The Brazilian disc test has been used widely to measure the tensile strength of brittle materials, such as rock and ceramic. However, the Brazilian di......

A Mechanical Device to Evaluate the Effects of Dynamic Loading in Weak-acid Medium on the Bioapatite of Devitalized Cortical Bone

期刊: EXPERIMENTAL TECHNIQUES, 2020; 44 (5)

A new device that enables the application of controlled mechanical loads to devitalized cortical bone blocks in liquid media mimicking physiological e......

Cyclic Properties of Artificially Cemented Gravel-Silty Clay Mixed Soils

期刊: EXPERIMENTAL TECHNIQUES, 2020; 44 (5)

The aim of this paper is to provide an insight into the effect of fine content (FC) on the artificially cemented gravel-silty clay mixed soils (CMS) i......

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