Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Mechanical Characteristics of Steel01:18

Mechanical Characteristics of Steel

410
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...
410
Structural Steel Products01:24

Structural Steel Products

154
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...
154
Residual Stresses01:26

Residual Stresses

208
Residual stresses reside in a structure even after removing the original stress inducer. This phenomenon often arises from varied plastic deformations across different parts of a structure. Consider a rod stretched beyond its yield point. It will not regain its original length due to permanent deformation. Even after load removal, the rod does not entirely lose stress because of uneven plastic deformations, resulting in residual stresses. The computation of these stresses in structures is...
208
Steel Manufacturing01:26

Steel Manufacturing

390
Steel manufacturing is a multi-stage process that begins by smelting iron ore into cast iron in a blast furnace. This initial stage involves layering iron ore with coke, a type of fuel, and crushed limestone within the furnace. The coke is ignited with a high volume of air, leading to the creation of carbon monoxide, which acts to reduce the iron ore to pure iron.
During this smelting process, limestone plays a crucial role by forming slag. Slag captures impurities within the molten iron, such...
390
Steel Fastening Techniques01:17

Steel Fastening Techniques

140
Steel sections can be joined together through various fastening techniques including riveting, bolting, and welding, each suitable for different structural requirements and conditions.
Rivets are cylindrical steel fasteners with a specially designed head. During application, rivets are heated until white-hot and then inserted through pre-drilled holes in the steel sections. A pneumatic hammer is used to shape the exposed end into a second head, securing the sections together.
Bolting is another...
140
Thermal Stress01:09

Thermal Stress

2.4K
If the temperature of an object is changed while it is prevented from expanding or contracting, the object is subjected to stress. The stress is compressive if the object expands in the absence of constraint and tensile if it contracts. This stress resulting from temperature change is known as thermal stress. It can be quite large and can cause damage. To avoid this stress, engineers may design components so they can expand and contract freely. For instance, on highways, gaps are deliberately...
2.4K
  1. Home
  3. Research Domains
  5. Physical Sciences
  7. Condensed Matter Physics
  9. Surface Properties Of Condensed Matter
  11. Effect Of Heat Treatment On Microstructure And Properties Of 304/q235 Composite Round Steel

Effect of Heat Treatment on Microstructure and Properties of 304/Q235 Composite Round Steel

Xiexin Zheng1, Yi Ding1

  • 1College of Materials Science and Engineering, Nanjing Tech University, Nanjing 210009, China.

Materials (Basel, Switzerland)
|June 13, 2025

Related Experiment Videos

Measurement of Outgassing Rates of Steels
08:32

Measurement of Outgassing Rates of Steels

Published on: December 13, 2016

11.5K
Experimental Procedure for Warm Spinning of Cast Aluminum Components
07:36

Experimental Procedure for Warm Spinning of Cast Aluminum Components

Published on: February 1, 2017

9.5K
An Available Technique for Preparation of New Cast MnCuNiFeZnAl Alloy with Superior Damping Capacity and High Service Temperature
14:51

An Available Technique for Preparation of New Cast MnCuNiFeZnAl Alloy with Superior Damping Capacity and High Service Temperature

Published on: September 23, 2018

6.9K

View abstract on PubMed

Summary
This summary is machine-generated.

Heat treatment of stainless steel/carbon steel composites influences carbide precipitation. Optimizing annealing and aging temperatures improves mechanical properties but can decrease fatigue strength and corrosion resistance due to carbide formation.

Area of Science:

  • Materials Science
  • Metallurgy
  • Composite Materials

Background:

  • Heat treatment of stainless steel (SS)/carbon steel (CS) bimetal composites leads to carbon diffusion and carbide precipitation.
  • Carbide precipitation at grain boundaries and within grains significantly alters the microstructure and properties of composite steels.
  • Understanding and controlling carbide formation is crucial for optimizing the performance of SS/CS bimetal composites.

Purpose of the Study:

  • To investigate the effect of full annealing and aging temperatures on carbide precipitation and distribution in hot-rolled 304/Q235 composite round steel.
  • To analyze the impact of modified carbide precipitation on the microstructure and mechanical properties (hardness, tensile, fatigue) of the composite steel.
  • To evaluate the influence of carbide precipitation on the electrochemical corrosion resistance of the composite round steel.
Keywords:
304/Q235carbidecorrosion resistancefatigue property

Related Experiment Videos

Measurement of Outgassing Rates of Steels
08:32

Measurement of Outgassing Rates of Steels

Published on: December 13, 2016

11.5K
Experimental Procedure for Warm Spinning of Cast Aluminum Components
07:36

Experimental Procedure for Warm Spinning of Cast Aluminum Components

Published on: February 1, 2017

9.5K
An Available Technique for Preparation of New Cast MnCuNiFeZnAl Alloy with Superior Damping Capacity and High Service Temperature
14:51

An Available Technique for Preparation of New Cast MnCuNiFeZnAl Alloy with Superior Damping Capacity and High Service Temperature

Published on: September 23, 2018

6.9K

Main Methods:

  • Optical microscopy and Scanning Electron Microscopy with Energy Dispersive X-ray Spectroscopy (SEM/EDS) for microstructural analysis.
  • Mechanical testing including hardness, tensile, and fatigue tests.
  • Electrochemical tests to assess corrosion resistance.

Main Results:

  • Dispersed chromium carbide particles precipitated at grain boundaries and intragranularly, promoting dispersion and fine-grain strengthening.
  • Optimized heat treatments significantly improved hardness, yield strength, tensile strength, and fatigue strength.
  • Excessive chromium carbide precipitation led to stress concentration, accelerated fatigue crack initiation, and reduced overall fatigue strength.
  • Increased chromium carbide precipitation diminished the corrosion resistance of the composite round steel.

Conclusions:

  • Full annealing and aging treatments can be optimized to control carbide precipitation in SS/CS bimetal composites.
  • While strengthening effects are observed, excessive carbide formation negatively impacts fatigue life and corrosion resistance.
  • Careful control of heat treatment parameters is essential for balancing mechanical properties and durability in these composite steels.
heat treatment