ASTM E1659 Moisture Sorption Testing for Solid Materials

ASTM E1735-19 test method provides a test for measuring the image quality of the X-ray system or any component of the system.

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ASTM E1659 Moisture Sorption Testing for Solid Materials

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Overview
Scope, Applications, and Benefits
Test Process
Specifications
Instrumentation
Results and Deliverables

Overview

ASTM E1735-19 provides a test method for determining the relative image quality of industrial radiographic film exposed to X-radiation in the energy range of 4 to 25 MeV. The test evaluates how well a film can reproduce fine details under high-energy radiation conditions.

This standard is widely used in non-destructive testing (NDT) to ensure reliable detection of defects in materials such as welds, castings, and structural components.

Scope, Applications, and Benefits

Scope

ASTM E1735-19 focuses on assessing the image quality of radiographic films by comparing their ability to detect small discontinuities under controlled exposure conditions. It ensures consistent film performance evaluation.

The test evaluates:

Image quality and resolution
Sensitivity to defects
Film contrast performance
Ability to detect fine details
Consistency of radiographic results

Applications

Non-destructive testing (NDT)
Inspection of welds and joints
Aerospace and automotive components
Casting and forging inspection
Quality control in manufacturing

Benefits

Ensures accurate defect detection
Improves inspection reliability
Supports material integrity assessment
Enables comparison of film types
Enhances quality assurance processes

Test Process

Sample Preparation

Radiographic film and test object are prepared.

X-Ray Exposure

Film is exposed to X-radiation (4–25 MeV).

Image Development

Film is processed using standard procedures.

Data Recording & Evaluation

Image quality is evaluated using indicators.

Technical Specifications

Parameter	Details
Applicable Materials	Industrial radiographic films
Radiation Source	X-rays (4 to 25 MeV)
Image Quality Indicator	Standard IQI or penetrameter
Measurement Criteria	Sensitivity and resolution
Measured Outputs	Relative image quality rating

Instrumentation Used for Testing

X-ray source (high-energy)
Radiographic film
Image quality indicators (IQI)
Film processing equipment
Viewing system (light box)
Data acquisition system

Results and Deliverables

Image quality rating
Sensitivity and resolution assessment
Film performance comparison
Test condition summary
ASTM compliance report

Frequently Asked Questions

ASTM E1735-19 is a standard test method used to determine relative image quality of industrial radiographic films exposed to X-radiation between 4 and 25 MeV energy levels.

ASTM E1735-19 is important because image quality affects defect detection accuracy, ensuring reliable nondestructive testing in industries like aerospace, manufacturing, and construction.

ASTM E1735-19 evaluates film response to X-radiation by analyzing contrast, resolution, and sensitivity using standardized exposure conditions and reference indicators.

ASTM E1735-19 requires X-ray sources within specified energy range, radiographic films, image quality indicators, and controlled exposure setups for consistent evaluation.

Results are reported as relative image quality ratings based on contrast and resolution performance, helping select suitable films for accurate industrial radiographic inspections.

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