Journal profile · ENGINEERING, MECHANICAL
Mechanical Engineering Journal
ISSN 2187-9745 · The Japan Society of Mechanical Engineers · Japan
Mechanical Engineering Journal: CAS Zone 4 · Engineering (2025 upgraded edition); impact factor 0.6 (journal website); fully open access; APC charged, amount not published; review about 25 weeks (community reports); 99 articles in 2025; indexed in ESCI.
Scope
Aims, scope and focus
Mechanical Engineering Journal is published by The Japan Society of Mechanical Engineers and is in Zone 4 of Engineering in the CAS Journal Ranking (2025 upgraded edition). By OpenAlex counts of its recent articles, its largest topics are Nuclear Materials and Properties, Nuclear reactor physics and engineering and Fatigue and fracture mechanics, together about 20.6% of its articles. (generated from OpenAlex topic counts and CAS ranking data)
Mechanical Engineering Journal (MEJ) is an Open Access, peer-reviewed journal involved in the master journal list of WoS that publishes significant and novel contributions in all fields of mechanical engineering. The journal’s primary aim is to facilitate the emergence of new concepts and important innovations that advance worldwide progress in mechanical engineering.
From the journal's Aims & Scope
Research area (LetPub): ENGINEERING, MECHANICAL
Editor-in-chief Hitoshi ASANOPublisher website
Main research topics OpenAlex counts of recent articles; shares are approximate
- Nuclear Materials and PropertiesMaterials Science8.5%
- Nuclear reactor physics and engineeringEngineering6.2%
- Fatigue and fracture mechanicsEngineering6%
- Magnetic Bearings and Levitation DynamicsEngineering5.9%
- Nuclear Engineering Thermal-HydraulicsEngineering5.8%
- Mechanical Behavior of CompositesEngineering4.7%
- Vibration and Dynamic AnalysisEngineering4.4%
- Metal Forming Simulation TechniquesEngineering4.3%
Rankings & indexing
CAS ranking and database indexing
CAS Journal Ranking
CAS Journal Ranking, upgraded edition (March 2025)Engineering Zone 4
| Level | Category | Zone |
|---|---|---|
| Major | Engineering | Zone 4 |
| Minor | Engineering, Mechanical | Zone 4 |
Top journal: noReview journal: no
CAS Xinrui Journal Ranking (March 2026)Engineering Zone 4
| Level | Category | Zone |
|---|---|---|
| Major | Engineering | Zone 4 |
| Minor | Engineering, Mechanical | Zone 4 |
Top journal: noReview journal: not marked
CAS Journal Ranking, previous upgraded edition (December 2023)Not covered
Not covered by this edition.
Database indexing
ESCIDOAJLetPub
International journal early-warning lists: not listed in any editionLetPub
Editions, and major and minor categories, are shown separately and never merged into one zone; check which edition your institution uses before you submit or report.
Metrics
Impact metrics and publication volume
Impact
- Impact factor (publisher)
- 0.6Publisher website ·
- h-index
- 20OpenAlex ·
- i10-index
- 102OpenAlex ·
- 2-year mean citedness
- 0.54OpenAlex ·
- Self-citation rate
- 16.7%LetPub ·
- Share of gold OA articles
- 99.01%LetPub ·
Volume
- Articles per year
- 96LetPub ·
Articles by year OpenAlex count · 1,286 in total · the current year is incomplete
| Year | Articles | Open access | Citations |
|---|---|---|---|
| 2026 | 121 | 121 | 3 |
| 2025 | 99 | 99 | 42 |
| 2024 | 108 | 108 | 132 |
| 2023 | 101 | 101 | 189 |
| 2022 | 62 | 62 | 117 |
| 2021 | 68 | 68 | 188 |
Sources count differently and were observed at different times, so each source's own value is kept; "publisher" marks figures from the journal's website.
Review & acceptance
Review time and acceptance
- Average review time (community reports)
- about 25 weeksLetPub ·
- Submission to publication (journal-reported)
- about 25 weeksDOAJ ·
- Peer review
- Single anonymous peer reviewDOAJ
Community reports come from authors' own submissions (confidence 0.5) and are not a promise from the journal; for publisher figures, the journal's own definitions apply.
Fees & open access
APC and open-access policy
Fully open accessDOAJ
Every article is open access; authors usually pay an article processing charge (APC).
| Source | APC | Fee waiver | License | Observed |
|---|---|---|---|---|
| DOAJ | JPY 80,000 | No | CC BY-NC-ND | |
| OpenAlex | JPY 80,000 | — | — | |
| LetPub | JPY 80,000 | No | — | |
| Publisher website | JPY 2,000 | — | — |
The journal's website is authoritative for fees; sources were observed at different times and each keeps its own value, without averaging.
Submission
Article types and submission policies (journal website)
Article types accepted2
- paperPaperLength not stated
- reviewReviewLength not stated
Policy excerpts from the journal's websiteAuthorship, Conflicts of interest, License & copyright, Open access, Peer review, Self-archiving
- Authorship Authorship
Submission to the journal implies that all authors have seen and approved the author list, which the Editorial Office checks for each multi-author submission. Changes to the author list after the manuscript is received are not allowed for any reason. To qualify for authorship, authors must make a substantial contribution to the research conception and planning, data acquisition, analysis, and/or i…
Source ↗Publisher website ·- Conflicts of interest Author competing interests and conflicts of interest
In the interests of transparency, the journal requires all authors to declare upon submission any competing or conflicts of interest in relation to their submitted manuscript. A conflict of interest exists when there are actual, perceived or potential circumstances that could influence an author’s ability to conduct or report research impartially. Potential conflicts include (but are not limited t…
Source ↗Publisher website ·- License & copyright Copyright, Open Access and Fees
MEJ is fully Open Access and uses Creative Commons (CC) licenses, which allow users to use, reuse and build upon the material published in the journal without charge or the need to ask prior permission from the publisher or author. More details on the CC licenses are below.
Source ↗Publisher website ·- Open access Self-archiving (Green Open Access) policy
Self-archiving, also known as Green Open Access, enables authors to deposit a copy of their manuscript(not the published paper) in an online repository. MEJ encourages authors of original research manuscripts to upload their article to an institutional or public repository immediately after publication in the journal.
Source ↗Publisher website ·- Peer review Editorial and peer review process
The journal uses single-blind peer review. When a manuscript is submitted to the journal, it is assigned to the Editor-in-Chief, who performs initial screening. Manuscripts that do not fit the journal’s scope or are not deemed suitable for publication are rejected without review. The Editor-in-Chief allocates each of the remaining manuscripts to an Associate Editor, who handles peer review. The As…
Source ↗Publisher website ·- Self-archiving Self-archiving (Green Open Access) policy
Self-archiving, also known as Green Open Access, enables authors to deposit a copy of their manuscript(not the published paper) in an online repository. MEJ encourages authors of original research manuscripts to upload their article to an institutional or public repository immediately after publication in the journal.
Source ↗Publisher website ·
Excerpts are quoted from the journal's website; "model summary" lines are written by Workers AI and checked against the text. The journal's website is authoritative.
Profile
Publication details and official links
- Publisher
- The Japan Society of Mechanical Engineers
- Country or region
- Japan
- Language
- English
- ISSN
- 2187-9745
- Official links
- Journal homepage ↗LetPub
- Submission system ↗Publisher website
- Author guidelines ↗LetPub
- Aims & Scope ↗LetPub
- APC information ↗DOAJ
- Open access statement ↗DOAJ
- License & copyright ↗DOAJ
- Peer review process ↗LetPub
- Editorial board ↗LetPub
- Plagiarism policy ↗DOAJ
FAQ
Frequently asked questions about Mechanical Engineering Journal
What CAS zone is Mechanical Engineering Journal in?
In the 2025 upgraded edition of the CAS Journal Ranking, Mechanical Engineering Journal is in Zone 4 of Engineering, and in Zone 4 of the minor category Engineering, Mechanical. In the 2026 Xinrui edition it is in Zone 4 of Engineering. Zones from different editions, and from major and minor categories, are not interchangeable.
What is the impact factor of Mechanical Engineering Journal?
The journal's website gives an impact factor of 0.6; this is the journal's own figure, as LetPub lists none for it; h-index 20.
How long does peer review take at Mechanical Engineering Journal?
Authors report an average review time of about 25 weeks. Article statistics cover accepted papers only, publisher figures follow the journal's own definitions, and community reports come from authors' own submissions; none is a promise from the journal.
Which databases index Mechanical Engineering Journal?
According to LetPub and DOAJ records, Mechanical Engineering Journal is indexed in ESCI and DOAJ.
Is Mechanical Engineering Journal open access, and what is the APC?
Mechanical Engineering Journal is a fully open-access journal. APC charged, amount not published.
Sources and updates
The facts on this page come from LetPub, OpenAlex, Publisher website, DOAJ; every figure is tagged with its source and the date it was observed, and conflicting values are kept per source. LetPub source page: view ↗ (archived 2026-08-26). Last updated: .