MIL-HDBK-17-3F Volume 3.Foreword Table of Contents 2.10.1.1 Empirical methods... 2.10.1.2 Active sensor-based control................... 59 59 2.10.1.3 Passive model-based control.59 2.10.2 Example-autoclave cure of a thermoset composite............ 59 2.10.2.1 Degree of cure............... 60 2.10.22 VSCOSity..60 2.10.2.3 Resin pressure............ .62 2.10.2.4 Void prevention. 63 2.10.2.5Flow. 63 2.11 PREPARING MATERIAL AND PROCESSING SPECIFICATIONS......................................6.4 2.11.1 Types of specifications.........64 2.11.1.1 Material specifications... 4 2.11.1.2 Process specs controls end product.. 64 2.11.2 Format for specifications.................. .64 2.11.2.1Sc0pe.… .64 2.11.2.2 Applicable documents........... 2.11.2.3 Technical requirements/process controls...... .64 65 2.11.2.4 Receiving inspection and qualification testing........................................... 65 2.11.2.5 Delivery.65 2.11.2.6 Notes.… .65 2.11.2.7 Approved sources and other..65 2.11.3 Specification examples ... .66 2.11.3.1 Industry.… 66 2.11.3.2 Military....... .66 2.11.4 Configuration management....... .66 CHAPTER 3 QUALITY CONTROL OF PRODUCTION MATERIALS AND PROCESSES.................1 3.1 INTRODUCTION................. .1 3.2 MATERIAL PROCUREMENT QUALITY ASSURANCE PROCEDURES................................1. 3.2.1 Specifications and documentation.............. 1 3.2.2 Receiving inspection. 3.3 PART FABRICATION VERIFICATION... ,2 3.3.1 Process verification.................. 2 3.3.2 Nondestructive inspection. 3.3.3 Destructive tests.… .6 3.3.3.1 Background6 3.3.3.2 Usage .. 3.3.3.3 Destructive test approaches.... 7 3.3.3.4 Implementation guidelines.... .7 3.3.3.5 Test types... 8 3.4 STATISTICAL PROCESS CONTROL. .8 3.4.1 Introduction.… 3.4.2 .8 Quality tools. .8 3.4.3 Gathering and plotting data................. .8 3.4.4 Control charts..... 3.4.5 Process capability....... .8 9 3.4.6 Troubleshooting and improvement....... 3.4.6.1 Process feedback adjustment........ …9 9 3.4.6.2 Design of experiments1 3.4.6.3 Taguchi..... 20 3.4.7 Lot acceptance...... 20 3.5 MANAGING CHANGE IN MATERIALS AND PROCESSES................................. 20 3.5.1 Introduction............. .20 3.5.2 Qualification of new materials or processes....... 20 3.5.2.1 Problem statement.... .20MIL-HDBK-17-3F Volume 3, Foreword / Table of Contents v 2.10.1.1 Empirical methods ........................................................................................... 59 2.10.1.2 Active sensor-based control ............................................................................ 59 2.10.1.3 Passive model-based control .......................................................................... 59 2.10.2 Example - autoclave cure of a thermoset composite .................................................... 59 2.10.2.1 Degree of cure................................................................................................. 60 2.10.2.2 Viscosity........................................................................................................... 60 2.10.2.3 Resin pressure................................................................................................. 62 2.10.2.4 Void prevention................................................................................................ 63 2.10.2.5 Flow ................................................................................................................. 63 2.11 PREPARING MATERIAL AND PROCESSING SPECIFICATIONS ......................................... 64 2.11.1 Types of specifications................................................................................................... 64 2.11.1.1 Material specifications ..................................................................................... 64 2.11.1.2 Process specs - controls end product ............................................................. 64 2.11.2 Format for specifications................................................................................................ 64 2.11.2.1 Scope............................................................................................................... 64 2.11.2.2 Applicable documents...................................................................................... 64 2.11.2.3 Technical requirements/process controls ........................................................ 65 2.11.2.4 Receiving inspection and qualification testing................................................. 65 2.11.2.5 Delivery............................................................................................................ 65 2.11.2.6 Notes ............................................................................................................... 65 2.11.2.7 Approved sources and other ........................................................................... 65 2.11.3 Specification examples .................................................................................................. 66 2.11.3.1 Industry ............................................................................................................ 66 2.11.3.2 Military.............................................................................................................. 66 2.11.4 Configuration management ........................................................................................... 66 CHAPTER 3 QUALITY CONTROL OF PRODUCTION MATERIALS AND PROCESSES................. 1 3.1 INTRODUCTION........................................................................................................................ 1 3.2 MATERIAL PROCUREMENT QUALITY ASSURANCE PROCEDURES .................................. 1 3.2.1 Specifications and documentation ................................................................................... 1 3.2.2 Receiving inspection........................................................................................................ 1 3.3 PART FABRICATION VERIFICATION ....................................................................................... 2 3.3.1 Process verification.......................................................................................................... 2 3.3.2 Nondestructive inspection................................................................................................ 5 3.3.3 Destructive tests .............................................................................................................. 6 3.3.3.1 Background........................................................................................................ 6 3.3.3.2 Usage ................................................................................................................ 6 3.3.3.3 Destructive test approaches .............................................................................. 7 3.3.3.4 Implementation guidelines................................................................................. 7 3.3.3.5 Test types........................................................................................................... 8 3.4 STATISTICAL PROCESS CONTROL........................................................................................ 8 3.4.1 Introduction ...................................................................................................................... 8 3.4.2 Quality tools ..................................................................................................................... 8 3.4.3 Gathering and plotting data ............................................................................................. 8 3.4.4 Control charts................................................................................................................... 8 3.4.5 Process capability............................................................................................................ 9 3.4.6 Troubleshooting and improvement .................................................................................. 9 3.4.6.1 Process feedback adjustment ........................................................................... 9 3.4.6.2 Design of experiments......................................................................................11 3.4.6.3 Taguchi ............................................................................................................ 20 3.4.7 Lot acceptance............................................................................................................... 20 3.5 MANAGING CHANGE IN MATERIALS AND PROCESSES ................................................... 20 3.5.1 Introduction .................................................................................................................... 20 3.5.2 Qualification of new materials or processes.................................................................. 20 3.5.2.1 Problem statement........................................................................................... 20