相关实验视频

Updated: Jul 29, 2025

Generating Lap Joints Via Friction Stir Spot Welding on DP780 Steel
07:18

Generating Lap Joints Via Friction Stir Spot Welding on DP780 Steel

Published on: August 13, 2019

7.0K

高碳低密度钢的机械性质

Jiří Hájek1, Zbyšek Nový1, Ludmila Kučerová2

  • 1COMTES FHT a. s., 334 41 Dobrany, Czech Republic.

Materials (Basel, Switzerland)
|May 27, 2023
PubMed
概括

本研究探讨了低密度结构钢的热处理,在弹应用中实现高抗拉强度超过2500MPa和硬度超过60HRC. 优化的热处理对于这些先进材料中平衡强度和柔性至关重要.

关键词:
热处理热处理的方法低密度钢的使用情况.拉力测试试验 拉力测试试验

更多相关视频

Determining the Mechanical Strength of Ultra-Fine-Grained Metals05:04

Determining the Mechanical Strength of Ultra-Fine-Grained Metals

Published on: November 22, 2021

2.3K
Micromechanical Tension Testing of Additively Manufactured 17-4 PH Stainless Steel Specimens05:38

Micromechanical Tension Testing of Additively Manufactured 17-4 PH Stainless Steel Specimens

Published on: April 7, 2021

3.4K

相关概念视频

Mechanical Characteristics of Steel01:18

Mechanical Characteristics of Steel

The mechanical characteristics of steel are assessed through various tests that evaluate its strength, toughness, and flexibility. These tests include tension, torsion, impact, bending, and hardness assessments, each providing crucial information about steel's suitability for specific applications.
The tension test is fundamental for determining tensile strength. In this test, a steel specimen is stretched using a gripping device until it breaks. The data collected during this test are used...
617
Hooke's Law01:26

Hooke's Law

Hooke's law, a pivotal principle in material science, establishes that the strain a material undergoes is directly proportional to the applied stress, defined by a factor called the modulus of elasticity or Young's modulus.
488
Stress-Strain Diagram - Ductile Materials01:24

Stress-Strain Diagram - Ductile Materials

The stress-strain relationship in ductile materials such as structural steel or aluminium is intricate and progresses through several stages. When a specimen is loaded, it initially exhibits a linear length increase, depicted by a steep straight line on the stress-strain diagram. It indicates the material is elastically deforming and will return to its original shape once unloaded. However, when a critical stress value is reached, plastic deformation begins. This stage sees substantial...
877
Yield Criteria for Ductile Materials under Plane Stress01:25

Yield Criteria for Ductile Materials under Plane Stress

In designing structural elements and machine parts using ductile materials, it is crucial to ensure that these components withstand applied stresses without yielding. Yielding is initially determined through a tensile test, which evaluates the material's response to uniaxial stress. However, tensile stress is insufficient when components face biaxial or plane stress conditions This condition requires advanced criteria to predict failure.
The Maximum Shearing Stress Criterion, also known as...
195
Structural Steel Products01:24

Structural Steel Products

Structural steel products are created within a structural mill. The process begins with a beam blank that is reheated and then fed through a series of rollers. These rollers progressively shape the metal into its final form. Adjusting the spacings between the rollers allows for the production of different sections with the same nominal dimensions.
Once shaped, the steel's final form emerges as a continuous length, which is then segmented by a hot saw into manageable pieces. These segments...
256
Strain-Energy Density01:20

Strain-Energy Density

Understanding the strain energy density in materials under axial load is crucial for evaluating their mechanical behavior and durability. When a rod is subjected to such a load, it elongates and stores energy, known as strain energy, as potential energy within the material. This energy is measured in terms of energy per unit volume.
In the elastic region of a material, the relationship between the stress and the strain is linear and follows Hooke's Law. The strain energy density in this...
491