---
title: "High-Purity Molybdenum Disilicide Powder"
industry: "Other Basic Metal Production"
verification_protocol:
  urn: "URN:CNFX:ME:HIGH_PURITY_MOLYBDENUM_DISILICIDE_POWDER"
  data_integrity_hash: "fad1c31d6d984f665045f2da28d6de4c"
  source_authority: "https://cnfx.com"
  strict_mode: true
source_identity:
  provider: "CNFX Industrial Knowledge Graph"
  index_version: "2026.Q1-Universal"
  authority_id: "URN:CNFX:ME:HIGH_PURITY_MOLYBDENUM_DISILICIDE_POWDER"
  data_source_uri: "https://cnfx.com/llms/industry/other-basic-metal-production/product/high-purity-molybdenum-disilicide-powder.md"
  official_resource_url: "https://cnfx.com/industry/other-basic-metal-production/product/high-purity-molybdenum-disilicide-powder"
  is_verified_logic: true
attributes:
  primary_spec:
    status: "config-dependent"
    typical_range: "1600-1900°C in inert atmosphere, particle size 1-10 μm, purity 99.9-99.99% MoSi₂"
    unit: "μm"
  secondary_spec:
    status: "config-dependent"
    typical_range: "1600-1900°C in inert atmosphere, particle size 1-10 μm, purity 99.9-99.99% MoSi₂"
    unit: "%"
engineering_limits:
  max_safe_operating_point:
    value: 1700
    unit: "°C"
    consequence: "Pest oxidation phenomenon: oxygen diffusion along grain boundaries forms low-density oxides causing 300-400% volume expansion and intergranular fracture"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Moisture adsorption &gt;0.1 wt% during storage"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Vacuum-sealed packaging with &lt;10 ppm H₂O, controlled atmosphere glove box handling"
  - node_2:
      trigger: "Localized heating &gt;2100°C during sintering"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Multi-zone furnace with ±5°C gradient control, boron nitride diffusion barriers"
bom_nodes:
  molybdenum-element:
    type: "component"
    urn: "URN:CNFX:ME:MOLYBDENUM_ELEMENT"
    interface_type: "physical-logic-coupled"
  silicon-element:
    type: "component"
    urn: "URN:CNFX:ME:SILICON_ELEMENT"
    interface_type: "physical-logic-coupled"
  process-additives:
    type: "component"
    urn: "URN:CNFX:ME:PROCESS_ADDITIVES"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ASTM B386-03(2018) STANDARD SPECIFICATION FOR MOLYBDENUM AND MOLYBDENUM ALLOY PLATE, SHEET, STRIP, FOIL, AND WIRE"
    scope: "Verified Engineering Specification"
  - standard: "ISO 9001:2015 QUALITY MANAGEMENT SYSTEMS - REQUIREMENTS"
    scope: "Verified Engineering Specification"
  - standard: "DIN EN ISO 9001:2015 QUALITY MANAGEMENT SYSTEMS - REQUIREMENTS"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/other-basic-metal-production/product/high-purity-molybdenum-disilicide-powder.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "dd401fc7a6d86d871564b02798deddda9aa5d60ee5f41e6ee8f2409d8eda6a6b"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: High-Purity Molybdenum Disilicide Powder

## 1. Technical Definition
Ultra-fine refractory metal silicide powder for high-temperature industrial applications.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **1600-1900°C in inert atmosphere, particle size 1-10 μm, purity 99.9-99.99% MoSi₂**. Failure boundary: **Oxidation above 1700°C in air forms volatile MoO₃ and SiO₂, catastrophic embrittlement at 5-10 ppm oxygen partial pressure**, Mechanism: **Pest oxidation phenomenon: oxygen diffusion along grain boundaries forms low-density oxides causing 300-400% volume expansion and intergranular fracture**.

### 2.1 Analytical Physics Model
Governed by the **Hansen Solubility Distance (HSP)**:

> **Primary Equation**: $R_a = \sqrt{4\Delta\delta_d^2 + \Delta\delta_p^2 + \Delta\delta_h^2}$  
> **Engineering Impact**: Predicts seal/gasket swelling when exposed to CIP chemicals.

| Symbol | Variable Definition | Localized Reference |
| :--- | :--- | :--- |
| \delta_d | Dispersive | Engineering Constant |
| \delta_p | Polar | Engineering Constant |
| \delta_h | Hydrogen | Engineering Constant |

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Moisture adsorption &gt;0.1 wt% during storage | 8 | Hydrogen evolution and particle explosion during heating to 500-800°C | Vacuum-sealed packaging with &lt;10 ppm H₂O, controlled atmosphere glove box handling |
| Localized heating &gt;2100°C during sintering | 8 | Silicon sublimation leaving porous molybdenum-rich phase with 60% density loss | Multi-zone furnace with ±5°C gradient control, boron nitride diffusion barriers |

## 3. Key Technical Parameters
| Parameter | Value | Unit | Status |
| :--- | :--- | :--- | :--- |
| primary_spec | Config-dependent | μm | Verified |
| secondary_spec | Config-dependent | % | Verified |

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **High-Temperature Sintering Furnace**, **Ultra-Fine Powder Sieving System**, **Inert Gas Atmosphere Control System**  
**Downstream Applications**: High-Temperature Heating Elements, Aerospace Turbine Components, Industrial Furnace Heating Rods  

## 5. Engineering Risks & FAQ
- **Caution**: 
- **Caution**: 
- **Caution**: 

### Q: What are the primary applications of high-purity molybdenum disilicide powder in metal production?
**A**: This powder is used in high-temperature industrial applications including refractory linings, heating elements, and protective coatings for metal processing equipment, offering exceptional thermal stability and oxidation resistance.

### Q: How does particle size affect the performance of molybdenum disilicide powder?
**A**: The D50 particle size specification ensures consistent sintering behavior, improved packing density, and enhanced surface area for better reactivity in high-temperature applications, directly impacting final product quality.

### Q: What makes this molybdenum disilicide powder suitable for refractory applications?
**A**: With high chemical purity, low oxygen content, and a melting point exceeding 2000°C, this powder maintains structural integrity under extreme thermal conditions, making it ideal for demanding metal production environments.

## 6. Manufacturing Compliance
- ASTM B386-03(2018) STANDARD SPECIFICATION FOR MOLYBDENUM AND MOLYBDENUM ALLOY PLATE, SHEET, STRIP, FOIL, AND WIRE
- ISO 9001:2015 QUALITY MANAGEMENT SYSTEMS - REQUIREMENTS
- DIN EN ISO 9001:2015 QUALITY MANAGEMENT SYSTEMS - REQUIREMENTS

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: High-Purity Molybdenum Disilicide Powder](https://cnfx.com/industry/other-basic-metal-production/product/high-purity-molybdenum-disilicide-powder)**

### 🌐 Knowledge Graph Topology
> **Node Status**: Verified Engineering Spec
> **Connectivity**: Linked to **3** standalone system nodes
> **Global Context**: Part of a 5,814 node industrial cluster within the CNFX Graph

> **Reference ID**: HIGH_PURITY_MOLYBDENUM_DISILICIDE_POWDER | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 882fdb90
