Schema: addithive-agent-record/v1 · Record type: process · Valid as of: 2026-08-13
{
"schema": "addithive-agent-record/v1",
"id": "addithive:process:lpbf",
"record_type": "process",
"name": "Laser Powder Bed Fusion",
"standard_designation": "PBF-LB/M",
"common_terms": ["LPBF", "L-PBF", "DMLS", "SLM", "DMLM"],
"summary": "Laser powder bed fusion selectively melts thin layers of metal powder. The useful production definition includes the complete machine-material-parameter-post-process-inspection route, not the marketing acronym alone.",
"compatible_materials": ["qualified metal alloy powders", "titanium alloys", "nickel alloys", "aluminum alloys", "other machine- and parameter-qualified metals"],
"core_bottlenecks": ["powder consistency", "laser and machine calibration", "gas flow", "recoater events", "thermal stress and distortion", "support strategy", "process monitoring", "qualification", "CT/NDT throughput"],
"post_process": ["depowdering", "stress relief or heat treatment", "build-plate cut-off", "support removal", "HIP where required", "machining", "surface finishing", "cleaning"],
"inspection": ["dimensional inspection", "NDT/CT for relevant internal defects", "material-property verification", "coupon/witness strategy", "acceptance criteria tied to the qualified route"],
"best_fit_applications": ["high-value complex metal components", "internal channels", "part consolidation", "weight-reduced structures", "aerospace and medical parts where a qualified route exists"],
"poor_fit_signals": ["very large simple geometry", "applications dominated by low-cost conventional manufacturing", "features that cannot be depowdered, supported or inspected", "business cases that ignore downstream operations"],
"relationships": [
{"from": "metal powder specification", "relation": "conditions", "to": "LPBF process stability"},
{"from": "LPBF build", "relation": "requires", "to": "qualified post-processing"},
{"from": "complex internal geometry", "relation": "increases_demand_for", "to": "CT/NDT evidence"}
],
"claims": [
{"claim": "Addithive identifies LPBF as the preferred broad term for laser-based metal powder bed fusion and PBF-LB/M as the standards-oriented designation.", "claim_type": "fact", "confidence": "high", "evidence": ["source:lpbf-terminology"]},
{"claim": "The finished LPBF component normally requires depowdering, thermal processing, cut-off, support removal and often machining or finishing.", "claim_type": "fact", "confidence": "high", "evidence": ["source:lpbf-terminology"]},
{"claim": "Machine architecture, powder specification, parameter set, build strategy, post-processing and inspection matter more to final performance than whether a supplier calls the process DMLS, SLM or DMLM.", "claim_type": "analysis", "confidence": "high", "evidence": ["source:lpbf-terminology"]}
],
"sources": [{"id": "source:lpbf-terminology", "url": "https://addithive.com/2023/05/17/lpbf-dmlm-slm-dmls-sls-what-the-additive-manufacturing/"}],
"valid_as_of": "2026-08-13",
"research_use_only": true
}