Dataset

Vickers CuZn38As (PMD v3.0.0)

Vickers hardness data for alloy CuZn38As, test performed according to the DIN EN ISO 6507-1:2018 standard.

Published by admin

Back to browse RDF metadata

9

Files & access

3

Graphs

1453

RDF resources

74%

Quality

Dataset identity

Stable URI: https://datagraph.dev.matportal.org/id/dataset/vickers-cuzn38as Open
Portal page: /datasets/vickers-cuzn38as Open
RDF Turtle: https://datagraph.dev.matportal.org/data/dataset/vickers-cuzn38as.ttl Open
License: Creative Commons Attribution
Publisher: PMD
Published by: admin
Project: PMD
Version: Not specified
Identifier: 0eef5628-0d21-4c26-ab8e-b1f78b56ffa7

Use this dataset

To work with this dataset in scripts or Jupyter notebooks, copy the public RDF Turtle URL or use the SPARQL query template below.

RDF URL: https://datagraph.dev.matportal.org/data/dataset/vickers-cuzn38as.ttl
Named Graph: https://datagraph.dev.matportal.org/id/graph/vickers-cuzn38as/vickers-a2-joined-133a3de7

SPARQL query template

SELECT ?s ?p ?o WHERE {
  VALUES ?g { <https://datagraph.dev.matportal.org/id/graph/vickers-cuzn38as/vickers-a2-joined-133a3de7> <https://datagraph.dev.matportal.org/id/graph/vickers-cuzn38as/vickers-a2-8ca7fae7> <https://datagraph.dev.matportal.org/id/graph/vickers-cuzn38as/vickers-a2-metadata-8552b94e> }
  GRAPH ?g { ?s ?p ?o }
}
LIMIT 100

Open in SPARQL workbench

Related ontologies and catalogue context

Vickers hardness

Files & access

9 file/access items

Vickers_A2.csv

Public file, distribution, or access URL

Open file/access URL

vickers_a2-metadata.jsonld

Public file, distribution, or access URL

application/ld+json

Open file/access URL

vickers_a2.ttl

Public file, distribution, or access URL

text/turtle; charset=utf-8

Open file/access URL

vickers_a2-joined.ttl

Public file, distribution, or access URL

text/turtle; charset=utf-8

Open file/access URL

SPARQL

Public file, distribution, or access URL

application/sparql-results+xml

Open file/access URL

vickers_a2-map.yaml

Public file, distribution, or access URL

application/octet-stream

Open file/access URL

vickers_a2-metadata.jsonld

Public file, distribution, or access URL

application/ld+json

Open file/access URL

vickers_a2.ttl

Public file, distribution, or access URL

Open file/access URL

vickers_a2-joined.ttl

Public file, distribution, or access URL

Open file/access URL

File preview

Preview metadata is available, but no preview rows were returned.

Named graphs

Query this data

Graph URI	Status	Triples	RDF resources
`https://datagraph.dev.matportal.org/id/graph/vickers-cuzn38as/vickers-a2-joined-133a3de7`	published	12,843	1,295
`https://datagraph.dev.matportal.org/id/graph/vickers-cuzn38as/vickers-a2-8ca7fae7`	published	622	88
`https://datagraph.dev.matportal.org/id/graph/vickers-cuzn38as/vickers-a2-metadata-8552b94e`	published	455	70

RDF resources

annotate?return_type=json-ld

RDF resource

DerivedUnit

RDF resource

QuantityValue

RDF resource

Unit

RDF resource

DEG_C

RDF resource

MicroH

RDF resource

MicroM

RDF resource

MilliM

RDF resource

N

RDF resource

PERCENT

RDF resource

SEC

RDF resource

TONNE

RDF resource

Ask this dataset with GraphRAG

GraphRAG searches MatPortal's public dataset metadata, named graph metadata, indexed RDF resources, and facts. It does not copy or vectorize every external file or raw distribution.

Ask a question above to get a graph-aware answer and a safe SPARQL starting point.

Indexed sources

Dataset Metadata
Distribution
Distribution
Distribution
Distribution
Distribution
Distribution
Distribution
Distribution
Distribution

Query this dataset

Use the guarded public SPARQL workbench with a dataset graph template. Only read-only SELECT queries with limits are accepted.

SELECT ?s ?p ?o WHERE {
  VALUES ?g { <https://datagraph.dev.matportal.org/id/graph/vickers-cuzn38as/vickers-a2-joined-133a3de7> <https://datagraph.dev.matportal.org/id/graph/vickers-cuzn38as/vickers-a2-8ca7fae7> <https://datagraph.dev.matportal.org/id/graph/vickers-cuzn38as/vickers-a2-metadata-8552b94e> }
  GRAPH ?g { ?s ?p ?o }
}
LIMIT 100

Open in SPARQL workbench

Graph-aware Q&A readiness

Dataset Metadata
Distribution
Distribution
Distribution
Distribution
Distribution
Distribution
Distribution

Dataset quality and readiness

Score: 74%
Maturity: review_ready
Publication boundary: Public output is derived from reviewed public dataset/resource/graph metadata only.

Checks and recommendations

Core metadata completeness
Persistent identifier and citation readiness
License availability
File, service, or access-resource links
Ontology and linked-data context
Unit and quantity-kind validation
Governance and review state

Dataset FAIR assessment

FAIR assessment is not available yet.

Unit profile

{
  "valid": true,
  "score": 1.0,
  "checked_fields": [],
  "issues": [],
  "profile": "matportal-materials-qudt-lite-v1"
}

Semantic dataset passport

Passport ID: vickers-cuzn38as
DCAT: https://datagraph.dev.matportal.org/id/dataset/vickers-cuzn38as
Review status: published

Semantic mirror manifest

{
  "@context": {
    "dcterms": "http://purl.org/dc/terms/",
    "dcat": "http://www.w3.org/ns/dcat#",
    "prov": "http://www.w3.org/ns/prov#",
    "matportal": "https://w3id.org/matportal/schema#"
  },
  "id": "https://datagraph.dev.matportal.org/api/v1/datasets/vickers-cuzn38as/mirror-package",
  "type": "matportal:SemanticMirrorPackage",
  "dataset": "https://datagraph.dev.matportal.org/datasets/vickers-cuzn38as",
  "dataset_slug": "vickers-cuzn38as",
  "generated_at": "2026-07-16T23:07:49.689625+00:00",
  "raw_data_policy": "linked-only; no raw data copied by this package",
  "publication_boundary": "review artefact; downstream data-space publication remains governed",
  "contains": [
    "dcat-jsonld",
    "datacite-style-metadata",
    "ro-crate-metadata",
    "ckan-package-json",
    "edc-asset-json",
    "aas-submodel-semantic-ids",
    "sssom-mapping-snapshot",
    "shacl-shape-scaffold",
    "review-record"
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  "counts": {
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    "graphs": 3,
    "indexed_entities": 1453,
    "mappings": 0,
    "unit_fields_checked": 0
  },
  "source_authority": "MatPortal dataset metadata and linked external providers remain authoritative; connector cards preserve source links."
}

Material identity crosswalk

No public material identity crosswalk entries are linked to this dataset yet.

Machine access

Raw public metadata

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  "title": "Vickers CuZn38As (PMD v3.0.0)",
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  "license": "Creative Commons Attribution",
  "creators": [],
  "organization": "PMD",
  "project": "PMD",
  "published_by": "admin",
  "groups": [
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  ],
  "keywords": [
    "Vickers hardness"
  ],
  "tags": [
    "Vickers hardness"
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  "ontology_annotations": [],
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